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On the resonant state of magnetization in array of interacting nanodots / P. D. Kim [et al.] // VI Euro-Asian Symposium "Trends in MAGnetism" (EASTMAG-2016) : abstracts / ed.: O. A. Maksimova, R. D. Ivantsov. - Krasnoyarsk : KIP RAS SB, 2016. - Ст. P5.10. - P. 282. - References: 2. - The work is supported by RFBR grant 16-32-00103 and RSF grant 14-15-00805 . - ISBN 978-5-904603-06-9
Кл.слова (ненормированные):
nanodots, magnetization -- dispersion law -- Till’s equation

Доп.точки доступа:
Kim, P. D.; Ким, Пётр Дементьевич; Orlov, V. A.; Орлов, Виталий Александрович; Rudenko, R. Yu.; Руденко, Роман Юрьевич; Prokopenko, V. S.; Прокопенко В. С.; Orlova, I. N.; Kobyakov, A. V.; Кобяков, Александр Васильевич; Euro-Asian Symposium "Trends in MAGnetism"(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); "Trends in MAGnetism", Euro-Asian Symposium(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); Институт физики им. Л.В. Киренского Сибирского отделения РАН

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The experimental investigation of modification of exchange spin wave spectrum for film structure / I. G. Vazhenina [et al.] // VI Euro-Asian Symposium "Trends in MAGnetism" (EASTMAG-2016) : abstracts / ed.: O. A. Maksimova, R. D. Ivantsov. - Krasnoyarsk : KIP RAS SB, 2016. - Ст. P5.11. - P. 283. - References: 2. - This work was supported by the Russian Foundation for Basic Research, Grant № 15-08-06673 and RFBR-KRFSSeberian 15-42-0417 also the Special Program for Siberian Federal University of the Ministry of Education and Science of the Russian Federation . - ISBN 978-5-904603-06-9
Кл.слова (ненормированные):
dispersion law -- think films -- spin-wave resonance

Доп.точки доступа:
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; Chizhik, M. V.; Чижик, Михаил Владимирович; Euro-Asian Symposium "Trends in MAGnetism"(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); "Trends in MAGnetism", Euro-Asian Symposium(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); Институт физики им. Л.В. Киренского Сибирского отделения РАН

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Krasikov, V. S.
High-frequency dielectric-dispersion in ferroelectric acid sulfates / V. S. Krasikov, S. V. Ogurtsov, E. F. Ushatkin // Fiz. Tverd. Tela. - 1981. - Vol. 23, Is. 11. - P. 3425-3428. - Cited References: 4 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

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Доп.точки доступа:
Ogurtsov, S. V.; Ushatkin, E. F.
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Aver'yanov, E. M.
Influence of the dimension of a polycrystalline film and the optical anisotropy of crystallites on the effective dielectric constant of the film / E. M. Aver’yanov // Phys. Solid State. - 2016. - Vol. 58, Is. 8. - P. 1634-1641, DOI 10.1134/S1063783416080035. - Cited References: 41 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
EFFECTIVE REFRACTIVE-INDEX
   CONJUGATED POLYMER
   POLY(P-PHENYLENE VINYLENE)
   SPECTROSCOPIC ELLIPSOMETRY
   ELECTRICAL-CONDUCTIVITY
   LOCAL-FIELD
   THIN-FILMS
   DISPERSION
   POLYFLUORENE
   DEVICES
Аннотация: The dimension D of a polycrystalline film and the optical anisotropy m = εz/εx of uniaxial crystallites with the principal components εx = εy and εz of the tensor of the dielectric constant have been shown to produce a strong influence on the effective dielectric constant εD* and the effective refractive index nD* = (εD*)1/2 of the film in the optical transparency region, as well as on the boundaries of the intervals BDl ≤ εD* ≤ BDu. The intervals Δ2(m) = B2l–B2u and Δ3(m) = B3l–B3u are separated by a gap for m in the range 1 m 2, whereas the theoretical dependence ε2*(m) is separated by a gap from the interval Δ3(m) for m in the range 1 m 4. This is confirmed by a comparison of the experimental (noP) and theoretical (nD*) ordinary refractive indices for uniaxial polycrystalline films of the conjugated polymer poly(p-phenylene vinylene) (PPV) with uniaxial crystallites and appropriate values of m. In the visible transparency region of the PPV films with a change in m(λ) in the range 2 m(λ) 3 due to the dependence of the components εx,z(λ) on the light wavelength λ, the refractive indices noP2(λ) 3 near the electronic absorption band of the crystallites, the values of εoP(λ) lie in the region of the overlap of the intervals Δ2(m) and Δ3(m). The boundaries mc of the range 1 m mc are determined, for which the interval Δ2(m) is separated by a gap from the dependences ε3*(m) corresponding to the effective medium theory with spherical crystallites and hierarchical models of a polycrystal, as well as from the proposed new dependence ε3*(m).

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Публикация на русском языке Аверьянов, Евгений Михайлович. Влияние размерности поликристаллической пленки и оптической анизотропии кристаллитов на эффективную диэлектрическую проницаемость пленки [Текст] / Е. М. Аверьянов // Физ. тверд. тела : Физико-технический институт им. А. Ф. Иоффе РАН, 2016. - Т. 58 Вып. 8. - С. 1580–1586

Доп.точки доступа:
Аверьянов, Евгений Михайлович
}
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Magnetite nanoparticles obtained by pulsed laser ablation in liquid / V. Svetlichnyi [et al.] // VI Euro-Asian Symposium "Trends in MAGnetism" (EASTMAG-2016) : abstracts / ed.: O. A. Maksimova, R. D. Ivantsov. - Krasnoyarsk : KIP RAS SB, 2016. - Ст. P9.21. - P. 410. - The work was funded by the Ministry of Education and Science of Russia (No.2014/223, code 1347) . - ISBN 978-5-904603-06-9
Кл.слова (ненормированные):
magnetite -- laser ablation -- nanoparticles -- dispersion

Доп.точки доступа:
Svetlichnyi, V.; Светличный В.; Lapin, I. N.; Лапин, И. Н.; Shabalina, A.; Шабалина Анастасия; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Sokolov, A. E.; Соколов, Алексей Эдуардович; Euro-Asian Symposium "Trends in MAGnetism"(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); "Trends in MAGnetism", Euro-Asian Symposium(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); Институт физики им. Л.В. Киренского Сибирского отделения РАН

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Lattice dynamics and baric behavior of phonons in Hg2Cl2 crystals at high hydrostatic pressures / E. M. Roginskii [et al.] // Bull. Russ. Acad. Sci. Phys. - 2016. - Vol. 80, Is. 9. - P. 1033-1037, DOI 10.3103/S1062873816090409. - Cited References: 12 . - ISSN 1062-8738
Кл.слова (ненормированные):
Chlorine compounds -- Crystal lattices -- Density functional theory -- Hydraulics -- Hydrostatic pressure -- Inorganic compounds -- Density functionals -- High hydrostatic pressure -- Intermolecular interactions -- Orthorhombic phase -- Phonon spectrum -- Range dispersion -- Structural phase transition -- Theoretical modeling -- Phonons
Аннотация: A theoretical model based on long-range dispersion corrections of the charge density functional is proposed for model Hg2Cl2 calomel crystals, typical representatives of molecular inorganic compounds where the intermolecular interaction is found to play an important role. This model successfully describes the electronic state and the phonon spectrum of the above crystal, predicts the earlier unstudied phase transition at high hydrostatic pressure. Study of the baric behavior of the phonon spectrum with Raman spectroscopy observes the soft mode in the low-symmetry orthorhombic phase with the frequency softening as the pressure rises. Pressures above 9 GPa considerably transform the Raman spectra, indicating a structural phase transition. © 2016, Allerton Press, Inc.

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Публикация на русском языке Динамика решеток и барическое поведение фононов в кристаллах Hg2Cl2 при высоких гидростатических давлениях [Текст] / Е. М. Рогинский [и др.] // Изв. РАН. Сер. физ. - 2016. - Т. 80 № 9. - С. 1132-1136

Держатели документа:
Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg, Russian Federation
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
St. Petersburg State University, St. Petersburg, Russian Federation

Доп.точки доступа:
Roginskii, E. M.; Krylov, A. S.; Крылов, Александр Сергеевич; Markov, Y. F.; Smirnov, M. B.
}
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Kolovsky, A. R.
Bogoliubov depletion of the fragmented condensate in the bosonic flux ladder / A. R. Kolovsky // Phys. Rev. A. - 2017. - Vol. 95, Is. 3. - Ст. 033622, DOI 10.1103/PhysRevA.95.033622. - Cited References: 31. - The author acknowledges discussions with A. Eckardt, the hospitality of MPIPKS in Dresden, and financial support from Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, and Krasnoyarsk Region Science and Technology Support Fund through Grant No. 16-42-240746. . - ISSN 1050-2947
Кл.слова (ненормированные):
Bosons -- Crystal lattices -- Ladders -- Optical lattices -- Bogoliubov -- Dispersion relations -- Interacting bosons -- Ultracold atoms -- Ground state
Аннотация: We theoretically analyze the ground state of weakly interacting bosons in the flux ladder - the system that has been recently realized by means of ultracold atoms in the specially designed optical lattice [M. Atala, M. Aidelsburger, M. Lohse, J. T. Barreiro, B. Paredes, and I. Bloch, Nat. Phys. 10, 588 (2014)1745-247310.1038/nphys2998]. It is argued that, for the system parameters corresponding to two degenerate minima in the Bloch dispersion relation, the ground state is a fragmented condensate. We study the Bogoliubov depletion of this condensate and discuss the role of boundary conditions. © 2017 American Physical Society.

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

Доп.точки доступа:
Коловский, Андрей Радиевич
}
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Extraordinary time-depended processes in the parametric interaction of counter-propagating waves / V. A. Tkachenko [et al.] // Int. Conf. Laser Optics, LO 2016 : Proceedings : IEEE, 2016. - PR838, DOI 10.1109/LO.2016.7549869. - Cited References:3 . - ISBN 9781467397353

РУБ Engineering, Electrical & Electronic + Optics

Кл.слова (ненормированные):
negative refractive index and negative dispersion -- backward electromagnetic waves -- transient parametric processes -- counter-propagating waves
Аннотация: Three-wave mixing of ordinary and backward electromagnetic waves in the pulsed regime is investigated. It is shown that opposite direction of phase velocity and energy flux in the backward wave gives rise to extraordinary transient processes in the greatly enhanced optical parametric amplification and frequency-shifting nonlinear reflectivity. The discovered transients resemble time-delayed response of an oscillator on the pulsed excitation in the vicinity of its resonance. © 2016 IEEE.

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Доп.точки доступа:
Tkachenko, V. A.; Popov, A.K.; Myslivets, S. A.; Мысливец, Сергей Александрович; Slabko, V. V.; Слабко, Виталий Васильевич; International Conference on Laser Optics(17 ; 27 June-1 July 2016 ; Petersburg, Russia); "Оптика лазеров", международная конференция(17 ; 2016; 27 июня - 1 июля ; Санкт-Петербург)
}
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    Gorelik, V. S.
    Raman light scattering in sodium nitrite crystals / V. S. Gorelik, A. Y. Pyatyshev, A. S. Krylov // Bull. Lebedev Phys. Inst. - 2016. - Vol. 43, Is. 5. - P. 167-173, DOI 10.3103/S1068335616050043. - Cited References:37. - This study was supported by the Russian Foundation for Basic Research, projects nos. 12-02-00491, 13-02-00449,13-02-90420, 14-02-00190. . - ISSN 1068-3356. - ISSN 1934-838X
Рубрики:
NANO2
   PHASE
   SPECTROSCOPY
   PARAPHOTONS
   DEPENDENCE
   SPECTRUM
   SEARCH
Кл.слова (ненормированные):
sodium nitrite -- Raman scattering -- spectrum -- polar mode -- polariton -- ferroelectric -- dispersion curves
Аннотация: Raman light scattering spectra of a ferroelectric sodium nitrite crystal is studied in the lattice mode region as the temperature is lowered from room temperature to 123 K. The existence of a Raman satellite corresponding to the soft lattice mode, i.e., transverse polar vibration responsible for the ferroelectric phase transition, is established for the first time. It is found that the intensity of the Raman scattering by the pseudo-scalar low-frequency A (2) mode exceeds the intensity of other lattice variations by an order of magnitude.

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Публикация на русском языке Горелик, Владимир Семенович. Комбинационное рассеяние света в кристаллах нитрита натрия [Текст] / В. С. Горелик, А. Ю. Пятышев, А. С. Крылов // Кратк. сообщ. по физ. : Физический институт им. П. Н. Лебедева РАН, 2016. - Т. 43 № 5. - С. 26-36

Держатели документа:
Russian Acad Sci, PN Lebedev Phys Inst, Leninskii Pr 53, Moscow 119991, Russia.

Доп.точки доступа:
Pyatyshev, A. Yu.; Krylov, A. S.; Крылов, Александр Сергеевич; Russian Foundation for Basic Research [12-02-00491, 13-02-00449, 13-02-90420, 14-02-00190]
}
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10.

KRASIKOV, V. S.
DIELECTRIC-DISPERSION IN THE NH4HSEO4 FERROELECTRIC / V. S. KRASIKOV, S. V. OGURTSOV, M. P. ZAITSEVA // Fiz. Tverd. Tela. - 1982. - Vol. 24, Is. 2. - P. 641-643. - Cited References: 6 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

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Доп.точки доступа:
OGURTSOV, S. V.; ZAITSEVA, M. P.
}
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11.

KUBAREV, Y. G.
RAMAN SPIN-LATTICE RELAXATION AND DISPERSION OF DAMPED OPTICAL PHONON FREQUENCIES AT PHASE-TRANSITION / Y. G. KUBAREV // Ferroelectr. Lett. Sect. - 1988. - Vol. 9, Is. 2. - P. 39-42, DOI 10.1080/07315178808200697. - Cited References: 3 . - ISSN 0731-5171

РУБ Physics, Condensed Matter

WOS
}
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12.

Dispersion of Faraday rotation in Co/SiO2 multilayer films / I. S. Edelman [et al.] // JETP Letters. - 1996. - Vol. 63, Is. 4. - P. 273-277, DOI 10.1134/1.567015. - Cited References: 9 . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
PARTICLES
Аннотация: The Faraday rotation spectra of Co/SiO2 multilayer films were found to be substantially different from the well-known spectra of homogeneous Co films. The character of these changes was studied as a function of the thicknesses of the ferromagnetic metal and the nonmagnetic dielectric layers. (C) 1996 American Institute of Physics.

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Держатели документа:
L. V. Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, 660036 Krasnoyarsk, Russian Federation
ИФ СО РАН

Доп.точки доступа:
Edelman, I. S.; Эдельман, Ирина Самсоновна; Morozova, T. P.; Zabluda, V. M.; Kim, T. A.; Turpanov, I. A.; Турпанов, Игорь Александрович; Betenkova, A. Ya.; Бетенькова, Анна Яковлевна; Dynnik, Y. A.
}
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13.

Aplesnin, S. S.
Quantum Monte Carlo investigation of the magnetic properties of weakly interacting antiferromagnetic chains with an alternating exchange interaction with spin S=1/2 / S. S. Aplesnin // J. Exp. Theor. Phys. - 2000. - Vol. 90, Is. 1. - P. 194-201, DOI 10.1134/1.559075. - Cited References: 35 . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
PEIERLS COMPOUND CUGEO3
   MAGNON DISPERSION
   BI2CUO4
   EXCITATIONS
   RESONANCE
   SYSTEMS
   SCATTERING
   DYNAMICS
   NEUTRON
   PHASE
Аннотация: An approximation dependence of the spontaneous magnetic moment at a site, sigma/sigma(0) - 1 = 0.71(6)delta(2.5(2)), and the antiferromagnet-singlet state phase boundary, J(2)/J(1) = 0.52(3)delta, are determined by the quantum Monte Carlo method in the self-consistent sublattice molecular field approximation for weakly interacting (J(2)) antiferromagnetic chains with spin S = 1/2 and alternating exchange interaction (J(1) +/- delta). The Neel temperature and a number of critical temperatures which could be related with the filling energy of two singlets (Delta S-z = 0) and one triplet (Delta S-z= 1) spin bands, each of which is split by the sublattice field (h(x,y)not equal h(z)) into two subbands, are determined on the basis of the computed correlation radii of the two- and four-spin correlation function, the squared total spin (S-z)(2) with respect to the longitudinal components, the dimerization parameter, and the correlation functions between the nearest neighbors with respect to longitudinal and transverse spin components. On the basis of the Monte Carlo calculations, the critical temperatures and possible energy gaps at the band center are determined for the antiferromagnets CuWO4 and Bi2CuO4 and for the singlet compounds (VO)(2)P2O7 and CuGeO3 , agreeing satisfactorily with existing results, and new effects are also predicted. (C) 2000 MAIK "Nauka / Interperiodica".

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Держатели документа:
Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Аплеснин, Сергей Степанович
}
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14.

Deich, L. I.
Phonon spectroscopy of inhomogeneities in disordered solids / L. I. Deich, V. A. Ignatchenko // Solid State Commun. - 1991. - Vol. 80, Is. 10. - P. 881-884, DOI 10.1016/0038-1098(91)90525-Z. - Cited References: 15 . - ISSN 0038-1098

РУБ Physics, Condensed Matter
Рубрики:
SPIN-WAVES
   AMORPHOUS FILMS
   DISPERSION
   FERROMAGNETS
Аннотация: A possibility to use elastic waves for investigation of inhomogeneities corresponding in size to intermediate order in disordered solids is considered. It is shown that frequency dependencies of phase and group velocities of the elastic waves have some peculiarities which give the possibilities to find the characteristic size of inhomogenities and to determine the parameter of a matter whose fluctuations are most significant for the phenomena under study.

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Держатели документа:
Kirensky Institute of Physics, Krasnoyarsk, 660036, Russian Federation
ИФ СО РАН

Доп.точки доступа:
Ignatchenko, V. A.; Игнатченко, Вальтер Алексеевич; Дейч, Лев Исаакович
}
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15.

Selective excitation of E-1(LO) and A(1)(LO) phonons with large wave vectors in the Raman spectra of hexagonal InN / V. Y. Davydov [et al.] // Phys. Rev. B. - 2009. - Vol. 80, Is. 8. - Ст. 81204, DOI 10.1103/PhysRevB.80.081204. - Cited References: 15. - We are thankful to B. N. Mavrin and A. N. Vtyurin for the arrangement NIR measurements and S. A. Permogorov for the critical reading of the manuscript. This work was supported by RFBR (Grant No. 09-02-01280), NSC-RFBR (Grant No. 08-02-92003-HHC), and the Program of RAS "New materials and structures." . - ISSN 1098-0121

РУБ Physics, Condensed Matter
Рубрики:
SCATTERING
RESONANCE
Кл.слова (ненормированные):
III-V semiconductors -- indium compounds -- phonon dispersion relations -- Raman spectra -- wide band gap semiconductors
Аннотация: It is shown that dispersions of E-1(LO) and A(1)(LO) modes of InN can be restored in a wide interval of wave vectors by studying impurity-induced first-order Raman scattering as a function of exciting light energy. It is also shown that due to the resonance character of scattering the observed phonon energies correspond to the wave vectors strictly defined by exciting photon energies. The frequencies of E-1(LO) and A(1)(LO) phonons at the Gamma point obtained by extrapolation to zero wave vectors were found to be 604 and 592 cm(-1), respectively.

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Держатели документа:
[Davydov, V. Yu.
Klochikhin, A. A.
Smirnov, A. N.
Strashkova, I. Yu.] AF Ioffe Phys Tech Inst, St Petersburg 194021, Russia
[Klochikhin, A. A.] Inst Nucl Phys, St Petersburg 350000, Russia
[Krylov, A. S.] LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
[Lu, Hai
Schaff, William J.] Cornell Univ, Dept Elect & Comp Engn, Ithaca, NY 14853 USA
[Lee, H. -M.
Hong, Y. -L.
Gwo, S.] Natl Tsing Hua Univ, Dept Phys, Hsinchu 30013, Taiwan
ИФ СО РАН
Ioffe Physical-Technical Institute, 194021 St. Petersburg, Russian Federation
Nuclear Physics Institute, 350000 St. Petersburg, Russian Federation
Kirensky Institute of Physics, 60036 Krasnoyarsk, Russian Federation
Department of Electrical and Computer Engineering, Cornell University, Ithaca, NY 14853, United States
Department of Physics, National Tsing-Hua University, Hsinchu 30013, Taiwan

Доп.точки доступа:
Davydov, V. Yu.; Klochikhin, A. A.; Smirnov, A. N.; Strashkova, I. Y.; Krylov, A. S.; Крылов, Александр Сергеевич; Lu, H.; Schaff, W. J.; Lee, H. M.; Hong, Y. L.; Gwo, S.; RFBR [09-02-01280]; NSC-RFBR [08-02-92003-HHC]
}
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16.

ISKHAKOV, R. S.
EXPERIMENTAL-STUDY OF A MODIFIED DISPERSION-RELATION FOR SPIN-WAVES IN MULTILAYERED FILMS / R. S. ISKHAKOV, A. S. CHEKANOV, L. A. CHEKANOVA // Fiz. Tverd. Tela. - 1990. - Vol. 32, Is. 2. - P. 441-447. - Cited References: 11 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

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Доп.точки доступа:
CHEKANOV, A. S.; CHEKANOVA, L. A.
}
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17.

Kubarev, Y. G.
Raman spin-lattice relaxation and dispersion of damped optical phonon frequencies at phase-transition / Y. G. Kubarev // Ferroelectr. Lett. Sect. - 1988. - Vol. 8, Is. 5-6. - P. 113-116. - Cited References: 3 . - ISSN 0731-5171

РУБ Physics, Condensed Matter

WOS
}
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18.

Ovchinnikov, S. G.
Quasiparticles in strongly correlated electronic systems in cuprate oxides / S. G. Ovchinnikov // Uspekhi Fiz. Nauk. - 1997. - Vol. 167, Is. 10. - P. 1043-1068. - Cited References: 227 . - ISSN 0042-1294

РУБ Physics, Multidisciplinary
Рубрики:
T-J-MODEL
   HIGH-TEMPERATURE SUPERCONDUCTORS
   DIMENSIONAL HUBBARD-MODEL
   QUASI-PARTICLE DISPERSION
   HEISENBERG-ANTIFERROMAGNET SR2CUO2CL2
   ANGLE-RESOLVED PHOTOEMISSION
   CHARGE FLUCTUATION REGIME
   SADDLE-POINT SINGULARITY
   SINGLET-TRIPLET MODEL
   LA-SR-CU
Аннотация: New experimental and theoretical results on the electronic structure and spectral properties of quasiparticles in cuprate oxides are reviewed. It is shown that the electronic structure transforms from antiferromagnetic insulators to optimally doped high-temperature superconductors as the doping level is varied. The experimental methods considered are primarily angular resolved photoelectron spectroscopy (ARPES), neutron scattering, and NMR. Two types of electronic structure calculations for data interpretation purposes are considered, namely, exact numerical methods for finite clusters (exact diagonalisation and the quantum Monte Carlo method) and approximate schemes for the infinite lattice. As a result, a coherent unified picture emerges, in which the magnetic polaron of a weakly doped antiferromagnetic lattice transforms into a system of Fermi particles dressed by short-range antiferromagnetic type spin fluctuations. In the region of weakly doped metal compositions, deviations from Fermi-liquid properties are seen, such as the failure of Luttinger's theorem, shadowy photoemission bands, and the spin pseudogap effect in spectral and thermodynamic measurements. The situation in the neighbourhood of the insulator-metal concentration transition is described as least understood.

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Доп.точки доступа:
Овчинников, Сергей Геннадьевич
}
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19.

Melnikova, S. V.
Dispersion of optical-properties of A4CDX6 trigonal crystals / S. V. Melnikova, T. N. Davydova // Fiz. Tverd. Tela. - 1992. - Vol. 34, Is. 7. - P. 2094-2097. - Cited References: 8 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

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Доп.точки доступа:
Davydova, T. N.; Мельникова, Светлана Владимировна
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20.

    On the resonant state of magnetization in array of interacting nanodots / P. D. Kim [et al.] // J. Magn. Magn. Mater. - 2017. - Vol. 440. - P. 171-174, DOI 10.1016/j.jmmm.2016.12.125. - Cited References:35. - Authors are grateful to V. Ya. Prints for help in preparing dot arrays. Sections 3 and 4 of the work was supported by the Russian Science Foundation, project no. 14-15-00805. Section 2 of the work was supported by Russian Foundation for Basic Research (RFBR) project no. 16-32-00103. . - ISSN 0304-8853. - ISSN 1873-4766
   Перевод заглавия: О резонансных состояниях намагниченности в массивах взаимодействующих наноточек

РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter
Рубрики:
VORTEX
DYNAMICS
VORTICES
Кл.слова (ненормированные):
Nanodots -- Magnetization -- Dispersion law -- Tiel's equation
Аннотация: Development of the interpretation of the phenomenon of the lift of the magnetic resonance frequencies degeneracy caused by the magnetostatic interaction in assemblies of nanodisks has been done. The difference of the resonance behavior of magnetic vortexes in a round and rectangular nanodots has been studied experimentally and explained.

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Доп.точки доступа:
Kim, P. D.; Ким, Пётр Дементьевич; Orlov, V. A.; Орлов, Виталий Александрович; Rudenko, R. Y.; Руденко, Роман Юрьевич; Prokopenko, V. S.; Orlova, I. N.; Kobyakov, A. V.; Кобяков, Александр Васильевич; Russian Science Foundation [14-15-00805]; Russian Foundation for Basic Research (RFBR) [16-32-00103]; Euro-Asian Symposium "Trends in MAGnetism"(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); "Trends in MAGnetism", Euro-Asian Symposium(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); Институт физики им. Л.В. Киренского Сибирского отделения РАН
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