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Ignatchenko, V. A.
Spin and elastic waves with the random coupling parameter / V. A. Ignatchenko, D. S. Polukhin // Diffusion and Defect Data Pt.B: Solid State Phenomena. - 2012. - Vol. 190. - P. 51-54, DOI 10.4028/www.scientific.net/SSP.190.51 . - ISBN 1012-0394. - ISBN 9783037854365
Кл.слова (ненормированные):
Dynamic susceptibility -- Elastic waves -- Inhomogeneities -- Magnetoelastic coupling -- Self-consistent approximation -- Spin waves -- Anti-resonance -- Dispersion law -- Dynamic susceptibility -- Inhomogeneities -- Magnetoelastic couplings -- Magnetoelastic waves -- Narrow resonances -- Physical nature -- Random couplings -- Self-consistent approximation -- Wave numbers -- Wavefields -- Green's function -- Magnetic materials -- Magnetic susceptibility -- Spin waves -- Elastic waves
Аннотация: Dynamic susceptibilities (Green's function) in a system of two wave fields of different physical nature connected by the zero-mean random coupling parameter are studied. Magnetoelastic waves in zero-mean magnetostrictive media are considered. It is shown that the Green's functions of the spin G? m(?) and elastic G? u(?) waves at the intersection of the initial dispersion laws have the form of broad single-mode peaks with the fine structure on the tops of these peaks: the narrow resonance on the top of G? m(?) and the narrow antiresonance on the top of G? u(?) For the longwave inhomogeneities the widths of the broad peaks and narrow peaks are determined by the rootmean- square fluctuation and the correlation wave number, respectively. В© (2012) Trans Tech Publications.

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Доп.точки доступа:
Polukhin, D. S.; Полухин, Дмитрий Сергеевич; Игнатченко, Вальтер Алексеевич; Moscow International Symposium on Magnetism(5 ; 2011 ; Aug. ; 21-25 ; Moscow)
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Rasskazov, I. L.
Surface plasmon polaritons in curved chains of metal nanoparticles / I. L. Rasskazov, S. V. Karpov, V. A. Markel // Phys. Rev. B. - 2014. - Vol. 90, Is. 7. - Ст. 75405, DOI 10.1103/PhysRevB.90.075405. - Cited References: 34. - This research was supported in part by the US National Science Foundation under Grant DMS1216970, by the Russian Academy of Sciences under the Grants 24.29, 24.31, III. 9.5, 43, SFU (101), and also by the Russian Ministry of Education and Science under the Contract 1792. . - ISSN 1098-0121. - ISSN 1550-235X

РУБ Physics, Condensed Matter
Рубрики:
LINEAR-CHAINS
   DISPERSION-RELATIONS
   ARRAYS
   RESONANCES
   FIELD
Аннотация: We investigate numerically the propagation of steady-state monochromatic surface plasmon polaritons (SPPs) in curved chains of metal nanoparticles of various spheroidal shapes. We discuss the SPP propagation (decay of the amplitude), the polarization conversion due to coupling of orthogonally polarized SPPs, and the electromagnetic field localization in the near-field vicinity of a chain.

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk, Russia
Siberian State Aerosp Univ, LV Kirensky Phys Inst, Krasnoyarsk, Russia
Univ Penn, Dept Radiol, Philadelphia, PA 19104 USA
Univ Penn, Dept Bioengn, Philadelphia, PA 19104 USA
Univ Penn, Grad Grp Appl Math & Computat Sci, Philadelphia, PA 19104 USA

Доп.точки доступа:
Karpov, S. V.; Карпов, Сергей Васильевич; Markel, V. A.; Рассказов, Илья Леонидович; US National Science Foundation [DMS1216970]; Russian Academy of Sciences [24.29, 24.31, III. 9.5, 43, SFU (101)]; Russian Ministry of Education and Science [1792]
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    Spin-wave resonance in multilayer FeNiP/Pd films / R. S. Iskhakov [et al.] // Bull. Russ. Acad. Sci. Phys. - 2014. - Vol. 78, Is. 4. - P. 328-329, DOI 10.3103/S1062873814040145. - Cited References: 6. - This work was performed by order of the RF Ministry of Education and Science. . - ISSN 1062-8738. - ISSN 1934-9432
Рубрики:
Nuclear Physics
   Heavy Ions
   Hadrons
Кл.слова (ненормированные):
Chemical vapor deposition -- Pd film -- Spin wave resonances -- Multilayer films
Аннотация: Ferromagnetic and spin wave resonances are studied in FeNiP/Pd multilayer films obtained via chemical vapor deposition. The partial exchange interaction constant of polarized Pd films is found to be A Pd ≈ 1 × 10-7 erg/cm. © 2014 Allerton Press, Inc.

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Публикация на русском языке Спин-волновой резонанс в мультислойных пленках FeNiP/Pd [Текст] / Р. С. Исхаков, Л. А. Чеканова, С. В. Столяр, И. Г. Важенина // Изв. РАН. Сер. физич. - 2014. - Т. 78 № 4. - С. 502-503

Держатели документа:
L.V. Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk 660033, Russian Federation
Siberian Federal University, Krasnoyarsk 660041, Russian Federation
Krasnoyarsk Institute of Railway Transport, Krasnoyarsk 660028, Russian Federation

Доп.точки доступа:
Iskhakov, R. S.; Исхаков, Рауф Садыкович; Chekanova, L. A.; Чеканова, Лидия Александровна; Stolyar, S. V.; Столяр, Сергей Викторович; Vazhenina, I. G.; Важенина, Ирина Георгиевна
}
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    Bulgakov, E. N.
    Robust bound state in the continuum in a nonlinear microcavity embedded in a photonic crystal waveguide [Text] / E. N. Bulgakov, A. F. Sadreev // Opt. Lett. - 2014. - Vol. 39, Is. 17. - P. 5212-5215, DOI 10.1364/OL.39.005212. - Cited References: 27. - The work was supported by the Russian Science Foundation, grant 14-12-00266. We acknowledge discussions with Chia Wei Hsu and D. N. Maksimov. . - ISSN 0146-9592. - ISSN 1539-4794
   Перевод заглавия: Устойчивые связанные состояния в континууме в нелинейном микрорезонаторе, помещенного в фотонно кристаллический волновод

РУБ Optics
Рубрики:
TRAPPED MODES
RESONANCES
Аннотация: We present a two-dimensional photonic crystal design of four defect dielectric rods, which form a microcavity with eigenfrequencies residing in the propagating band of a directional waveguide. In this system, a nonrobust bound state in the continuum (BSC) occurs as a result of full destructive interference of the monopole and quadrupole modes, with the same parity at certain values of the material parameters of the defect rods. Due to the Kerr effect, a robust BSC arises in a self-adaptive way without necessity to tune the material parameters. The absence of the superposition principle in that nonlinear system gives rise to coupling of the BSC with injected light, resulting in a novel transmission resonance. (C) 2014 Optical Society of America

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Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович; Булгаков, Евгений Николаевич; Russian Science Foundation [14-12-00266]
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    Euro-asian symposium "Trends in magnetism" (EASTMAG-2004) : Abstract book / Рос. акад. наук, Сиб. отд-ние, Ин-т физики им. Л.В. Киренского, Краснояр. гос. ун-т, Краснояр. гос. технич. ун-т, Урал. отд-ние , Ин-т физики металлов. Euro-asian symp. "Trends in magnetism" ; предс. орг. комит. К. С. Александров ; зам. предс. С. Г. Овчинников ; чл. орг. комит. В. А. Игнатченко [и др.]. - Krasnoyarsk : [б. и.], 2004. - 418 с. - Bibliogr. at the end of the articles - Auth. ind. - 350 экз. - Б. ц.
Перевод заглавия: Евро-азиатский симпозиум "Прогресс в магнетизме"
Приложение:
Program of Euro-asian symposium "Trends in magnetism" (EASTMAG-2004). - Krasnoyarsk : Kirensky Instit. Phys. SB RAS, 2004. - 83
    Содержание:
Fundamental magnetic properties
Transport phenomena and spin electronics
Magnetism and strongly correleted electron systems
Spin glasses, disordered magnetic systems
Dynamics of spin systems and magnetic resonances
Magnetooptics and X-ray magnetooptics
Magnetic mechanism of the superconductivity
Domain structure and magnetization processes
Thin magnetic films and multilayers
Magnetic particles and nanocrystalline materials
Molecular magnetism
Magnetic storage/memory and applications
   Перевод заглавия: Евро-азиатский симпозиум "Прогресс в магнетизме"

Держатели документа:
Институт физики им. Л.В. Киренского СО РАН

Доп.точки доступа:
Александров, Кирилл Сергеевич \предс. орг. ком.\; Aleksandrov, K. S.; Овчинников, Сергей Геннадьевич \зам. предс.\; Ovchinnikov, S. G.; Игнатченко, Вальтер Алексеевич \чл. орг. ком.\; Ignatchenko, V. A.; Сапожников, В. \чл. орг. ком.\; Патрин, Геннадий Семёнович \чл. орг. ком.\; Patrin, G. S.; Вальков, Валерий Владимирович \чл. орг. ком.\; Val'kov, V. V.; Волков, Никита Валентинович \чл. орг. ком.\; Volkov, N. V.; Казак, Наталья Валерьевна \чл. орг. ком.\; Kazak, N. V.; Российская академия наук; Сибирское отделение РАН; Институт физики им. Л.В. Киренского Сибирского отделения РАН; Красноярский государственный университет; Красноярский государственный технический университет; Институт физики металлов Уральского отделения РАН; Научный совет по физике конденсированных сред РАН; Научный совет РАН по физике низких температур; Красноярский научный центр Сибирского отделения РАН; Euro-asian symposium "Trends in magnetism" (2 ; 2004 ; Aug. 24-27 ; Krasnoyarsk); "Trends in magnetism", Euro-Asian Symposium (2 ; 2004 ; Aug. 24-27 ; Krasnoyarsk)
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Sadreev, A. F.
Bound states in the continuum in zigzag quantum wire enforced by a finger gate / A. F. Sadreev, A. S. Pilipchuk // JETP Letters. - 2015. - Vol. 100, Is. 9. - P. 585-590, DOI 10.1134/S0021364014210139. - Cited References:41. - This work was supported by the Russian Foundation for Basic Research(project no. 14-12-00266). . - ISSN 0021. - ISSN 1090-6487. -

РУБ Physics, Multidisciplinary
Рубрики:
WAVE-GUIDE
   DOUBLE-BEND
   SYSTEMS
   TRANSMISSION
   RESONANCES
   ELECTRON
Аннотация: We consider electron transport in a zigzag quantum wire by the effect of finger gate potential. Using a non-Hermitian effective Hamiltonian, we calculate resonance positions and widths to show that the resonance widths are easily governed by the gate potential. In particular, the resonance width can be enforced to be equal to zero, which leads to an electron localization with the Fermi energy embedded in the propagation band of the wire, i.e., the bound state in the continuum (BSC). We show that, for positive values of the potential, a zigzag wire becomes a Fabry-Perot resonator to give rise to BSC too.

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Публикация на русском языке Садреев, Алмаз Фаттахович. Связанные состояния в континууме, инициированные потенциалом электрода в зигзагообразной квантовой проволоке [Текст] / А. Ф. Садреев, А. C. Пилипчук // Письма в Журн. эксперим. и теор. физ. - 2014. - Т. 100 Вып. 9-10. - С. 664– 669

Держатели документа:
Russian Acad Sci, Kirensky Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660080, Russia.

Доп.точки доступа:
Pilipchuk, A. S.; Пилипчук, Артем Сергеевич; Садреев, Алмаз Фаттахович; Russian Foundation for Basic Research [14-12-00266]
}
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    Sadreev, A. F.
    Gate controlled resonant widths in double-bend waveguides: bound states in the continuum / A. F. Sadreev, D. N. Maksimov, A. S. Pilipchuk // J. Phys.: Condens. Matter. - 2015. - Vol. 27, Is. 29. - Ст. 295303, DOI 10.1088/0953-8984/27/29/295303. - Cited References:52. - This work is supported by the Russian Science Foundation through Grant No. 14-12-00266. AS is grateful K-F Berggren for discussions. . - ISSN 0953. - ISSN 1361-648X
   Перевод заглавия: Управление резонансными ширинами в двух-коленных волноводах: связанные состояния в континууме

РУБ Physics, Condensed Matter
Рубрики:
CIRCULAR BENDS
   NUCLEAR REACTIONS
   FANO RESONANCES
   UNIFIED THEORY
   QUANTUM
   TRANSMISSION
   TRANSPORT
   SYSTEMS
Кл.слова (ненормированные):
double-bent waveguide -- effective non-Hermittian Hamiltonian -- bound -- states in the continuum
Аннотация: We consider quantum transmission through double-bend Pi- and Z-shaped waveguides controlled by the finger gate potential. Using the effective non-Hermitian Hamiltonian approach we explain the resonances in transmission. We show a difference in transmission in the short waveguides that is the result of different chirality in Z and Pi waveguides. We demonstrate that the potential selectively affects the resonant widths resulting in the occurrence of bound states in the continuum.

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Держатели документа:
Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660080, Russia.

Доп.точки доступа:
Maksimov, D. N.; Максимов, Дмитрий Николаевич; Pilipchuk, A. S.; Пилипчук, Артем Сергеевич; Садреев, Алмаз Фаттахович; Russian Science Foundation [14-12-00266]
}
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    The ferromagnetic and spin-wave resonances in multilayer nanogranular films [Co40Fe40B20)X(SiO2)100-X /a-Si:H]n / E. A. Denisova [et al.] // 20th Int. Conf. on Magnetism (ICM-2015) : book of abstracts. - 2015. - Ст. Mo.H-P38
   Перевод заглавия: Ферромагнитный и спин-волновой резонансы в мультислойных наногранулированных пленках [Co40Fe40B20)X(SiO2)100-X /a-Si:H]n

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Доп.точки доступа:
Denisova, E. A.; Денисова, Елена Александровна; Chekanova, L. A.; Чеканова, Лидия Александровна; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Kalinin, Yu. E.; Калинин, Ю. Е.; Sitnikov, A. V.; Ситников, Александр Викторович; International Conference on Magnetism(20 ; 2015 ; Jul ; 5-10 ; Barselona, Spain)
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    Bound states in the continuum in open acoustic resonators / A. A. Lyapina [et al.] // J. Fluid Mech. - 2015. - Vol. 780. - P. 370-387, DOI 10.1017/jfm.2015.480. - Cited References: 48. - This work has been supported by Russian Science Foundation through grant 14-12-00266. . - ISSN 0022-1120
   Перевод заглавия: Связанное состояние в континууме в открытом акустическом резонаторе

РУБ Mechanics + Physics, Fluids & Plasmas
Рубрики:
TRAPPED MODES
   FANO RESONANCES
   COMPLEX RESONANCES
   PARALLEL PLATES
   SIDE-BRANCHES
   WAVE-GUIDES
   ABSORPTION
   TRANSPORT
   CHANNELS
   SYSTEM
Кл.слова (ненормированные):
aeroacoustics -- noise control -- wave scattering
Аннотация: We consider bound states in the continuum (BSCs) or embedded trapped modes in two- and three-dimensional acoustic axisymmetric duct-cavity structures. We demonstrate numerically that, under variation of the length of the cavity, multiple BSCs occur due to the Friedrich-Wintgen two-mode full destructive interference mechanism. The BSCs are detected by tracing the resonant widths to the points of the collapse of Fano resonances where one of the two resonant modes acquires infinite life-time. It is shown that the approach of the acoustic coupled mode theory cast in the truncated form of a two-mode approximation allows us to analytically predict the BSC frequencies and shape functions to a good accuracy in both two and three dimensions. © 2015 Cambridge University Press.

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Держатели документа:
L.V. Kirensky Institute of Physics, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Lyapina, A. A.; Ляпина, Алина Андреевна; Maksimov, D. N.; Максимов, Дмитрий Николаевич; Pilipchuk, A. S.; Пилипчук, Артем Сергеевич; Sadreev, A. F.; Садреев, Алмаз Фаттахович
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10.

Ferromagnetic and spin-wave resonance in FexNi1-x (0∠x∠1) films / I. G. Vazhenina [et al.] // Solid State Phenom. : Selected, peer reviewed papers. - 2015. - Vol. 233-234: Achievements in Magnetism. - P. 682-685, DOI 10.4028/www.scientific.net/SSP.233-234.682 . - ISSN 1662-9779. - ISSN 978-3-038
Кл.слова (ненормированные):
Electroless deposited method -- Ferromagnetic and spin-wave resonance -- Heterogeneity structure -- Invar alloy Fe-Ni -- Ferromagnetic materials -- Ferromagnetism -- Magnetism -- Multilayers -- Nickel -- Resonance -- Dispersion relations -- Electroless -- FeNi alloys -- Invar alloy -- Magnetic heterogeneity -- Resonance field -- Spin wave resonances -- Wave spectroscopy -- Spin waves
Аннотация: We report ferromagnetic and spin-wave resonance measurements on the electroless deposited thin films of Fe-Ni alloy including alloy with invar content. From spin-wave resonance spectrum we defined the dependences of resonance fields on the number of mode. Analysis of this spectrum shows that positions of resonance fields are described by the Kittel dispersion relation. The type and the size of magnetic heterogeneity is estimated by the spin-wave spectroscopy technique. © (2015) Trans Tech Publications, Switzerland.

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Доп.точки доступа:
Perov, N. \ed.\; Semisalova, A. \ed.\; Vazhenina, I. G.; Важенина, Ирина Георгиевна; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Chekanova, L. A.; Чеканова, Лидия Александровна; Stolyar, S. V.; Столяр, Сергей Викторович; Yakovchuk, V. Yu.; Яковчук, Виктор Юрьевич; Moscow International Symposium on Magnetism(6 ; 2014 ; June-July ; Moscow)
}
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11.

Ignatchenko, V. A.
Green’s function of magnetoelastic waves / V. A. Ignatchenko, D. S. Polukhin // Solid State Phenom. : Selected, peer reviewed papers. - 2015. - Vol. 233-234: Achievements in Magnetism. - P. 12-15, DOI 10.4028/www.scientific.net/SSP.233-234.12 . - ISSN 1662-9779. - ISSN 978-3-038
Кл.слова (ненормированные):
Dispersion relations -- Elastic waves -- Green’s functions -- Magnetoelastic coupling -- Resonances -- Spin waves -- Green's function -- Resonance -- Spin waves -- Wave propagation -- Approximate expressions -- Dipole dipole interactions -- Dispersion relations -- Elastic oscillations -- Longitudinal elastic wave -- Magnetoelastic couplings -- Off-diagonal elements -- S function -- Elastic waves
Аннотация: The matrix (5x5) Green's function of magnetoelastic waves in an isotropic magnetoelastic medium taking into account the dipole-dipole interaction has been derived. The imaginary parts of diagonal and off-diagonal elements of the Green's function in the crossing resonance of spin and longitudinal elastic waves has been investigated. It is shown that under changing the angle of wave propagation θ the amplitudes of Green functions change drastically due redistribution of energy between the magnetic and elastic oscillation. Approximate expressions for the dependence of the widths of the gaps in the spectrum on the angle θ have been also derived. © (2015) Trans Tech Publications, Switzerland.

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Доп.точки доступа:
Perov, N. \ed.\; Semisalova, A. \ed.\; Polukhin, D. S.; Полухин, Дмитрий Сергеевич; Игнатченко, Вальтер Алексеевич; Moscow International Symposium on Magnetism(6 ; 2014 ; June-July ; Moscow)
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12.

Overcoming the adverse effects of substrate on the waveguiding properties of plasmonic nanoparticle chains / I. L. Rasskazov [et al.] // J. Appl. Phys. - 2016. - Vol. 119, Is. 4. - Ст. 043101, DOI 10.1063/1.4940415. - Cited References: 43. - This work has been carried out thanks to the support of the A*MIDEX project (No. ANR-11-IDEX-0001-02) funded by the “Investissements d'Avenir” French Government program, managed by the French National Research Agency (ANR) and was also supported in part by the U.S. National Science Foundation under Grant No. DMS1216970 and by the Ministry of Education and Science of the Russian Federation under Contract No. 1792. . - ISSN 0021-8979

РУБ Physics, Applied
Рубрики:
LINEAR-CHAINS
   DISPERSION-RELATIONS
   ARRAYS
   RESONANCES
   GUIDES
   NANOSPHERES
   MODES
   FIELD
   POLARITONS
   PARTICLES
Аннотация: We have studied numerically the propagation of surface plasmon polaritons (SPPs) in linear periodic chains of plasmonic nanoparticles of different shapes. The chains are deposited on top of a thick dielectric substrate. While in many commonly considered cases the substrate tends to suppress the SPP propagation, we have found that this adverse effect is practically absent in the case when the nanoparticles have the shape of oblate spheroids with sufficiently small aspect ratio (e.g., nanodisks) whose axes of symmetry coincide with the axis of the chain. © 2016 AIP Publishing LLC.

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Держатели документа:
Siberian Federal University, Krasnoyarsk, Russian Federation
L. V. Kirensky Institute of Physics, Krasnoyarsk, Russian Federation
Siberian State Aerospace University, Krasnoyarsk, Russian Federation
Aerospace Systems Dirct., Air Force Research Laboratory, Wright-Patterson Air Force Base, OH, United States
Aix-Marseille Universite, CNRS, Centrale Marseille, Institut Fresnel UMR 7249, Marseille, France
Department of Radiology, University of Pennsylvania, Philadelphia, PA, United States

Доп.точки доступа:
Rasskazov, I. L.; Рассказов, Илья Леонидович; Karpov, S. V.; Карпов, Сергей Васильевич; Panasyuk, G. Y.; Markel, V. A.
}
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13.

Microstructure and Magnetooptics of Silicon Oxide with Implanted Nickel Nanoparticles / I. S. Edel'man [et al.] // J. Exp. Theor. Phys. - 2011. - Vol. 113, Is. 6. - P. 1040-1049, DOI 10.1134/S1063776111160035. - Cited References: 44. - This work was supported by the Russian Foundation for Basic Research (project nos. 11-02-00972, 11-02-90420, 11-02-91341) and the program Research and Scientific-Pedagogical Brainpower of Innovated Russia (State contract 02.740.11.0797). . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
SIMPLE METAL-CLUSTERS
   OPTICAL-PROPERTIES
   ION-IMPLANTATION
   FARADAY-ROTATION
   KERR SPECTRA
   GLASS
   RESONANCE
   PHYSICS
   ENERGY
   FE
Кл.слова (ненормированные):
Disperse structure -- Effective medium model -- Implanted samples -- Irradiation dose -- Magnetic circular dichroisms -- Magnetic Nickel -- Magneto-optical Faraday effect -- Magneto-optical measurements -- matrix -- Metal nanoparticles -- Metallic nickel -- Nickel nanoparticles -- Nickel particles -- Optical range -- Spectral dependences -- Surface plasma resonances -- Tensor components -- Thin near-surface layers -- Amorphous silicon -- Crystal microstructure -- Dichroism -- Faraday effect -- Ion implantation -- Magnetoplasma -- Metallic compounds -- Nanomagnetics -- Nanoparticles -- Nickel -- Silicon compounds -- Silicon oxides -- Spectroscopy -- Tensors -- Transmission electron microscopy -- Nickel oxide
Аннотация: Metallic nickel nanoparticles of various sizes are formed in a thin near-surface layer in an amorphous SiO2 matrix during 40-keV Ni+ ion implantation at a dose of (0.25-1.0) x 10(17) ions/cm(2). The micro-structure of the irradiated layer and the crystal structure, morphology, and sizes of nickel particles formed at various irradiation doses are studied by transmission electron microscopy and electron diffraction. The magnetooptical Faraday effect and the magnetic circular dichroism in an ensemble of nickel nanoparticles are studied in the optical range. The permittivity (epsilon) over cap tensor components are calculated for the implanted samples using an effective medium model with allowance for the results of magnetooptical measurements. The spectral dependences of the tensor (epsilon) over cap components are found to be strongly different from those of a continuous metallic nickel film. These differences are related to a disperse structure of the magnetic nickel phase and to a surface plasma resonance in the metal nanoparticles.

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Держатели документа:
[Edel'man, I. S.
Petrov, D. A.
Ivantsov, R. D.
Zharkov, S. M.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
[Zharkov, S. M.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[Khaibullin, R. I.
Valeev, V. F.
Nuzhdin, V. I.
Stepanov, A. L.] Russian Acad Sci, Zavoisky Phys Tech Inst, Kazan 420029, Russia
[Stepanov, A. L.] Kazan Volga Reg Fed Univ, Kazan 420018, Russia
ИФ СО РАН
Kirensky Institute of Physics, Russian Academy of Sciences, Siberian Branch, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Svobodnyi pr. 79, Krasnoyarsk, 660041, Russian Federation
Zavoisky Physical-Technical Institute, Russian Academy of Sciences, Sibirskii trakt 10/7, Kazan, 420029, Russian Federation
Kazan (Volga Region), Federal University, ul. Kremlevskaya 18, Kazan, 420018, Russian Federation

Доп.точки доступа:
Edel'man, I. S.; Edelman, I. S.; Petrov, D. A.; Петров, Дмитрий Анатольевич; Ivantsov, R. D.; Иванцов, Руслан Дмитриевич; Zharkov, S. M.; Жарков, Сергей Михайлович; Khaibullin, R. I.; Valeev, V. F.; Nuzhdin, V. I.; Stepanov, A. L.
}
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14.

Arkhipkin, V. G.
Transmission and reflection spectra of a photonic crystal with a Raman defects / V. G. Arkhipkin, S. A. Myslivets // J. Exp. Theor. Phys. - 2011. - Vol. 111, Is. 6. - P. 898-906, DOI 10.1134/S1063776110120022. - Cited References: 37. - This work was supported by the Council of the President of the Russian Federation for Support of Young Scientists and Leading Scientific Schools (project no. NSh-7810.2010.3), the Presidium of the Russian Academy of Sciences (project no. 27.1), the Ministry of Education and Science of the Russian Federation (state contract no. 02.740.11.0220), and the Siberian Branch, Russian Academy of Sciences (integration project no. 5). . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
ELECTROMAGNETICALLY INDUCED TRANSPARENCY
   SLOW-LIGHT
   NONLINEAR OPTICS
   MICROCAVITIES
   LASERS
   AMPLIFIER
   MODES
Кл.слова (ненормированные):
Group velocities -- High frequency HF -- Microwatts -- Nonlinear refractive index -- One dimensional photonic crystal -- Probe field -- Pump intensities -- Raman gain -- Raman resonances -- Reflection spectra -- Spectral position -- Three level atoms -- Transmission spectrums -- Defects -- Dispersion (waves) -- Probes -- Pumping (laser) -- Pumps -- Refractive index -- Resonance -- Photonic crystals
Аннотация: Features of Raman gain of probe radiation in three-level atoms placed in a defect of a one-dimensional photonic crystal in the presence of laser radiation (pump) at an adjacent high-frequency transition have been theoretically investigated. It has been shown that there is a pump intensity range where narrow peaks (resonances) simultaneously appear in the transmission and reflection spectra of the probe field. Beyond this region, the peak in the transmission spectrum is transformed to a narrow dip. The spectral position of these peaks is determined by the Raman resonance and the transmittance and reflectance can be larger than unity at pump intensities from several microwatts per square centimeter to several tens of milliwatts per square centimeter. The nature of narrow peaks is due to a sharp dispersion of a nonlinear refractive index near the Raman resonance; this dispersion is responsible for a strong decrease in the group velocity of probe radiation. The proposed scheme makes it possible to obtain controlled ultranarrow resonances in the transmission and reflection spectra of the photonic crystal.

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Оригинал на русском языке Спектры пропускания и отражения фотонного кристалла с рамановским дефектом [Текст] / В. Г. Архипкин, С. А. Мысливец // Журнал экспериментальной и теоретической физики. - Москва : Федеральное государственное унитарное предприятие "Академический научно-издательский, производственно-полиграфический и книгораспространительский центр Российской академии наук "Издательство "Наука", 2010. - Т. 138 № 6. - С. 1018-1027

Держатели документа:
[Arkhipkin, V. G.] Russian Acad Sci, Kirenskii Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia
ИФ СО РАН
Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation
Siberian Federal University, Krasnoyarsk 660041, Russian Federation

Доп.точки доступа:
Myslivets, S. A.; Мысливец, Сергей Александрович; Архипкин, Василий Григорьевич
}
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15.

Zobov, V. E.
Effect of intramolecular interaction on time growth of second moment of multiple quantum NMR in solids / V. E. Zobov, A. A. Lundin // INTERNATIONAL CONFERENCE ON RESONANCES IN CONDENSED MATTER: ALTSHULER100. Ser. Journal of Physics Conference Series : IOP PUBLISHING LTD, 2011. - Vol. 324: International Conference on Resonances in Condensed Matter (JUN 21-25, 2011, Kazan, RUSSIA). - Ст. 12010, DOI 10.1088/1742-6596/324/1/012010. - Cited References: 12 . - ISBN 1742-6588

РУБ Physics, Condensed Matter
Рубрики:
COHERENCES
DYNAMICS
Кл.слова (ненормированные):
Dipole dipole interactions -- Double-quantum -- Intramolecular interactions -- Multiple quantum NMR -- Nuclear spin system -- Quantum spectrum -- Rate increase -- Second moments -- Solids containing methyl groups -- Time dependence -- Functional groups -- Quantum optics -- Solids -- Spin dynamics -- Hamiltonians
Аннотация: The time dependence of the NMR multiple quantum spectrum in solids containing methyl groups is investigated. We studied both of types of the nuclear spin systems: namely linking by secular part of the mutual dipole-dipole interaction and linking by effective double quantum Hamiltonian. It is revealed for the first type of systems the rate with the time of the growing up of the second moment when intramolecular interaction is present becomes less in compare with situation when a strong intramolecular interaction is absent. On the contrary for the second type of Hamiltonian the above rate increases.

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Держатели документа:
[Zobov, V. E.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН
L.V. Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, 660036, Krasnoyarsk, Russian Federation
N.N. Semenov Institute of Chemical Physics, RAS, 117977, Moscow, Russian Federation

Доп.точки доступа:
Lundin, A. A.; Зобов, Владимир Евгеньевич
}
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16.

Formation and evolution of magnetic nanoparticles in borate glass simultaneously doped with Fe and Mn oxides / J. . Kliava [et al.] // J. Appl. Phys. - 2008. - Vol. 104, Is. 10. - Ст. 103917, DOI 10.1063/1.3021289. - Cited References: 37. - A financial support from the Russian Foundation for Basic Research (RFBR)-CNRS (Grant No. 07-02-92174) is highly appreciated. R. Ivantsov is grateful to the Russian Science Support Foundation. Y. Yeshurun acknowledges the support of the Israel Scienc Foundation (ISF). . - ISSN 0021-8979

РУБ Physics, Applied
Рубрики:
COBALT FERRITE PARTICLES
   SUPERPARAMAGNETIC RESONANCE
   GAMMA-FE2O3 NANOPARTICLES
   MATRIX
   SIZE
   SYSTEMS
Кл.слова (ненормированные):
aluminium compounds -- borate glasses -- coercive force -- Faraday effect -- heat treatment -- iron compounds -- magnetic hysteresis -- magnetic particles -- magnetic susceptibility -- manganese compounds -- Mossbauer effect -- nanoparticles -- paramagnetic materials -- potassium compounds -- remanence -- superparamagnetism -- transmission electron microscopy -- X-ray chemical analysis -- Atomic spectroscopy -- Auger electron spectroscopy -- Crystal structure -- Electric relays -- Electronic medical equipment -- Ferrite -- Ferrites -- Glass -- Heat treatment -- Hysteresis -- Hysteresis loops -- Magnetic properties -- Magnetic resonance measurement -- Magnetic susceptibility -- Magnetism -- Manganese -- Manganese compounds -- Molybdenum -- Nanoparticles -- Optical properties -- Ozone water treatment -- Polydispersity -- Superparamagnetism -- Borate glasses -- Concentration ratios -- Electron magnetic resonances -- Emr spectrums -- Experimental techniques -- Faraday rotations -- Glass compositions -- Glass matrixes -- Glass preparations -- Magnetic measurements -- Magnetic nano particles -- Magnetic orders -- Magnetically ordered systems -- Magneto-optical properties -- Manganese ferrites -- Mean diameters -- Mn oxides -- Phase states -- Polydisperse nanoparticles -- Remnant magnetizations -- Ssbauer spectroscopies -- Superparamagnetic -- Superparamagnetic states -- Thermal treatments -- Variable temperatures -- Magnetic materials
Аннотация: Evolution of the phase state of paramagnetic additions at various stages of synthesis and subsequent thermal treatment of glasses of the system Al(2)O(3)-K(2)O-B(2)O(3) simultaneously doped with Fe(2)O(3) and MnO is studied by means of a combination of experimental techniques: Faraday rotation (FR), electron magnetic resonance (EMR), transmission electron microscopy (TEM), Mossbauer spectroscopy, and magnetic measurements. Both FR and EMR show that magnetically ordered clusters occur already at the first stage of the glass preparation. In particular, for the ratio of the Fe and Mn oxides in the charge close to 3:2, fine magnetic nanoparticles are formed with characteristics similar to those of manganese ferrite. By computer simulating the EMR spectra at variable temperatures, a superparamagnetic nature of these nanoparticles is confirmed and their mean diameter is estimated as approximately 3.2 nm. In the thermally treated glasses larger magnetic nanoparticles are formed, giving rise to FR spectra, characteristic of magnetically ordered systems, and the EMR spectra different from those in as-prepared glasses but also showing superparamagnetic narrowing. The Mossbauer spectroscopy corroborates the manganese ferrite structure of the nanoparticles and indicates their coexistence in the ferrimagnetic and superparamagnetic states. The TEM shows the presence of polydisperse nanoparticles on the background of the glass matrix, and electron diffraction of a selected region containing larger particles indicates a crystal structure close to that of MnFe(2)O(4). Energy-dispersive atomic x-ray spectra confirm that the major part of Fe and Mn introduced to the glass composition is gathered in the particles, with the concentration ratio close to 2:1, characteristic of bulk MnFe(2)O(4). Magnetic hysteresis loops of samples subjected to an additional thermal treatment demonstrate a strong increase in the coercive force, remnant magnetization, and high-field magnetic susceptibility with temperature decrease. The consistent results obtained using various techniques demonstrate that the formation of nanoparticles with characteristics close to those of MnFe(2)O(4) confers to these glasses magnetic and magneto-optical properties typical of substances possessing magnetic order.

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Держатели документа:
[Kliava, J.] Univ Bordeaux 1, CNRS, UMR 5798, CPMOH, F-33405 Talence, France
[Edelman, I.
Ivanova, O.
Ivantsov, R.
Bayukov, O.
Petrakovskaja, E.
Stepanov, S.] RAS, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Zaikovskiy, V.] RAS, Siberian Branch, Boreskov Inst Catalysis, Novosibirsk 630090, Russia
[Bruckental, I.
Yeshurun, Y.] Bar Ilan Univ, Dept Phys, IL-52900 Ramat Gan, Israel
[Stepanov, S.] SI Vavilov State Opt Inst, St Petersburg 199034, Russia
ИФ СО РАН
CPMOH, Universit? Bordeaux, 1-CNRS UMR 5798, 33405 Talence Cedex, France
Kirensky Institute of Physics, Siberian Branch of RAS, 660036 Krasnoyarsk, Russian Federation
Boreskov Institute of Catalysis, Siberian Branch, RAS, 630090 Novosibirsk, Russian Federation
Department of Physics, Bar-Ilan University, Ramat-Gan 52900, Israel
S. I. Vavilov State Optical Institute, St. Petersburg 199034, Russian Federation

Доп.точки доступа:
Kliava, J.; Edelman, I. S.; Эдельман, Ирина Самсоновна; Ivanova, O. S.; Иванова, Оксана Станиславовна; Ivantsov, R. D.; Иванцов, Руслан Дмитриевич; Bayukov, O. A.; Баюков, Олег Артемьевич; Petrakovskaja, E. A.; Петраковская, Элеонора Анатольевна; Zaikovskiy, V.; Bruckental, I.; Yeshurun, Y.; Stepanov, S.
}
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17.

Rotter, I.
Singularities caused by coalesced complex eigenvalues of an effective hamilton operator / I. . Rotter, A. F. Sadreev // Int. J. Theor. Phys. - 2007. - Vol. 46: 25th International Colloquium on Group Theoretical Methods in Physics (AUG 02-06, 2004, Cocoyoc, MEXICO), Is. 8. - P. 1914-1928, DOI 10.1007/s10773-006-9328-4. - Cited References: 38 . - ISSN 0020-7748

РУБ Physics, Multidisciplinary
Рубрики:
UNIMOLECULAR REACTION-RATES
   EXCEPTIONAL POINTS
   OVERLAPPING RESONANCES
   NUCLEAR REACTIONS
   QUANTUM-SYSTEMS
   UNIFIED THEORY
   S-MATRIX
   CONTINUUM
   PHASE
   DEGENERACY
Кл.слова (ненормированные):
effective Hamilton -- complex eigenvalue -- quantum dots -- branch points -- Branch points -- Complex eigenvalue -- Effective Hamilton -- Quantum dots
Аннотация: The S matrix theory with use of the effective Hamiltonian is sketched and applied to the description of the transmission through double quantum dots. The effective Hamilton operator is non-hermitian, its eigenvalues are complex, the eigenfunctions are bi-orthogonal. In this theory, singularities occur at points where two (or more) eigenvalues of the effective Hamiltonian coalesce. These points are physically meaningful: they separate the scenario of avoided level crossings from that without any crossings in the complex plane. They are branch points in the complex plane. Their geometrical features are different from those of the diabolic points.

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Держатели документа:
Max Planck Inst Phys Komplexer Syst, D-01187 Dresden, Germany
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Linkoping Univ, Dept Phys & Measurement Technol, S-58183 Linkoping, Sweden
ИФ СО РАН
Max-Planck-Institut fur Physik Komplexer Systeme, D-01187 Dresden, Germany
Kirensky Institute of Physics, Krasnoyarsk 660036, Russian Federation
Department of Physics and Measurement Technology, Linkoping University, S-58183 Linkoping, Sweden

Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович
}
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18.

Rotter, I.
Zeros in single-channel transmission through double quantum dots / I. . Rotter, A. F. Sadreev // Phys. Rev. E. - 2005. - Vol. 71, Is. 4. - Ст. 46204, DOI 10.1103/PhysRevE.71.046204. - Cited References: 28 . - ISSN 1063-651X

РУБ Physics, Fluids & Plasmas + Physics, Mathematical
Рубрики:
PHASE EVOLUTION
   RESONANCE
   TRANSPORT
   SYSTEMS
Кл.слова (ненормированные):
Fano interference -- Fano resonances -- Overlapping resonances -- Transmission amplitude -- Channel capacity -- Eigenvalues and eigenfunctions -- Function evaluation -- Hamiltonians -- Mathematical models -- Mathematical operators -- Matrix algebra -- Resonance -- Signal interference -- Semiconductor quantum dots
Аннотация: By using a simple model we consider single-channel transmission through a double quantum dot that consists of two single dots coupled by a wire of finite length L. Each of the two single dots is characterized by a few energy levels only, and the wire is assumed to have only one level whose energy depends on the length L. The transmission is described by using S matrix theory and the effective non-Hermitian Hamilton operator H-eff of the system. The decay widths of the eigenstates of H-eff depend strongly on energy. The model explains the origin of the transmission zeros of the double dot that is considered by us. Mostly, they are caused by (destructive) interferences between neighboring levels and are of first order. When, however, both single dots are identical and their transmission zeros are of first order, those of the double dot are of second order. First-order transmission zeros cause phase jumps of the transmission amplitude by pi, while there are no phase jumps related to second-order transmission zeros. In this latter case, a phase jump occurs due to the fact that the width of one of the states vanishes when crossing the energy of the transmission zero. The parameter dependence of the widths of the resonance states is determined by the spectral properties of the two single dots.

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Держатели документа:
Max Planck Inst Phys Komplexer Syst, D-01187 Dresden, Germany
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Linkoping Univ, Dept Phys & Measurement Technol, S-58183 Linkoping, Sweden
Astafev Krasnoyarsk Pedag Univ, Krasnoyarsk 660049, Russia
ИФ СО РАН
Max-Planck-Inst. Phys. Komplexer S., D-01187 Dresden, Germany
Kirensky Institute of Physics, Krasnoyarsk, 660036, Russian Federation
Dept. of Phys. and Msrmt. Technology, Linkoping University, S-58183 Linkoping, Sweden
Astaf'ev Krasnoyarsk Pedagogical U., Krasnoyarsk, 660049, Russian Federation

Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович
}
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19.

Kolovsky, A. R.
Quantum diffusion in a biased kicked Harper system / A. R. Kolovsky, H. J. Korsch // Phys. Rev. E. - 2003. - Vol. 68, Is. 4. - Ст. 46202, DOI 10.1103/PhysRevE.68.046202. - Cited References: 17 . - ISSN 1539-3755

РУБ Physics, Fluids & Plasmas + Physics, Mathematical
Рубрики:
WANNIER-STARK RESONANCES
   SPECTRAL STATISTICS
   CLASSICAL DIFFUSION
   CHAOTIC DIFFUSION
   COORDINATE
   MODEL
Аннотация: Quantum diffusion in a biased kicked Harper system, modeling field-induced transport in superlattices, is studied for fully chaotic dynamics of the underlying classical system. Under these conditions, the classical transport is diffusive whereas the quantum diffusion can be either enhanced or suppressed for commensurable or incommensurable ratio of the Bloch period to the driving period, respectively. The quantum transport properties are related to the statistical properties of the quasienergy spectra as described by random matrix theory.

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Держатели документа:
Max Planck Inst Phys Komplexer Syst, D-01187 Dresden, Germany
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Tech Univ Kaiserslautern, FB Phys, D-67653 Kaiserslautern, Germany
ИФ СО РАН

Доп.точки доступа:
Korsch, H. J.; Коловский, Андрей Радиевич
}
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20.

Chaotic waveguide-based resonators for microlasers / J. A. Mendez-Bermudez [et al.] // Phys. Rev. B. - 2003. - Vol. 67, Is. 16. - Ст. 161104, DOI 10.1103/PhysRevB.67.161104. - Cited References: 33 . - ISSN 1098-0121

РУБ Physics, Condensed Matter
Рубрики:
QUANTUM-CLASSICAL CORRESPONDENCE
   MORPHOLOGY-DEPENDENT RESONANCES
   DIRECTIONAL EMISSION
   OPTICAL CAVITIES
   MICRODISK LASERS
   WAVE CHAOS
   DROPLETS
   PRECESSION
   BILLIARDS
   STATES
Аннотация: We propose the construction of highly directional emission microlasers using two-dimensional high-index semiconductor waveguides as open resonators. The prototype waveguide is formed by two collinear leads connected to a cavity of certain shape. The proposed lasing mechanism requires that the shape of the cavity yield mixed chaotic ray dynamics so as to have the approplate (phase space) resonance islands. These islands allow, via Heisenberg's uncertainty principle, the appearance of quasibound states (QBSs) which, in turn, propitiate the lasing mechanism. The energy values of the QBSs are found through the solution of the Helmholtz equation. We use classical ray dynamics to predict the direction and intensity of the lasing produced by such open resonators for typical values of the index of refraction.

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Держатели документа:
Univ Autonoma Puebla, Inst Fis, Puebla 72570, Mexico
Univ Hradec Kralove, Dept Phys, Hradec Kralove, Czech Republic
Acad Sci Czech Republ, Inst Phys, Prague, Czech Republic
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Mendez-Bermudez, J. A.; Luna-Acosta, G. A.; Seba, P.; Pichugin, K. N.; Пичугин, Константин Николаевич
}
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