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Bulgakov, E. N.
Bound states in photonic Fabry-Perot resonator with nonlinear off-channel defects / E. N. Bulgakov, A. F. Sadreev // Phys. Rev. B. - 2010. - Vol. 81, Is. 11. - Ст. 115128, DOI 10.1103/PhysRevB.81.115128. - Cited References: 73. - The work was partially supported by RFBR under Grant No. 09-02-98005 "Siberia." We are greatly acknowledge Konstantin Pichugin for many discussions. . - ISSN 1098-0121

РУБ Physics, Condensed Matter
Рубрики:
CRYSTAL WAVE-GUIDES
   STATIONARY LOCALIZED STATES
   COUPLED-MODE THEORY
   OPTICAL RESONATORS
   NUCLEAR REACTIONS
   UNIFIED THEORY
   MICROCAVITIES
   TRANSMISSION
   CONTINUUM
   CIRCUITS
Аннотация: We consider a Fabry-Perot resonator (FPR) comprised of two off-channel nonlinear defects coupled to the photonic waveguide. For the linear case FPR can support bound states in the form of standing waves between the defects if a distance between them is quantized. For the nonlinear case the bound states appear for arbitrary distance between the defects if electromagnetic intensity is quantized. For transmission through the FPR we reveal additional resonances which are the result of coupling of incident wave with the bound states because of nonlinearity of the defects. The resonances are spaced at the eigenfrequencies of bound states with a width proportional to the input amplitude. The theory of the FPR based on the simple Wang and Fan model [Phys. Rev. E 68, 066616 (2003)] is complemented by the tight-binding one. The results for the transmission and bound states in these models agree with computations in real two-dimensional photonic crystal waveguide coupled with two off-channel defects fabricated from a Kerr-type material.

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Держатели документа:
[Bulgakov, Evgeny N.
Sadreev, Almas F.] Russian Acad Sci, Inst Phys, Krasnoyarsk 660036, Russia
[Bulgakov, Evgeny N.] Siberian State Aerosp Univ, Krasnoyarsk, Russia
ИФ СО РАН
Institute of Physics, Academy of Sciences, 660036 Krasnoyarsk, Russian Federation
Siberian State Aerospace University, Krasnoyarsk Rabochii, 31, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович; Булгаков, Евгений Николаевич
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    Co nanoparticles localized in matrices of Various types: magnetooptical and magnetotransport properties / Yu. E. Samoshkina, D. A. Petrov, M. V. Rautskii [et al.] // VIII Euro-Asian symposium "Trends in magnetism" (EASTMAG-2022) : Book of abstracts / program com. S. G. Ovchinnikov [et al.]. - 2022. - Vol. 1, Sect. : Magnetotransport, magnetooptics and magnetophotonics. - Ст. D.P14. - P. 466-467. - Cited References: 8. - This research was funded by the Russian Science Foundation grant No. 21-72-00061 . - ISBN 978-5-94469-051-7
   Перевод заглавия: Наночастицы кобальта, локализованные в матрицах разного типа: магнитооптические и магнитотранспортные свойства

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russia
Ural Federal University, Ekaterinburg, Russia
Zavoisky Physical-Technical Institute, Russian Academy of Sciences, Kazan, Russia

Доп.точки доступа:
Ovchinnikov, S. G. \program com.\; Овчинников, Сергей Геннадьевич; Samoshkina, Yu. E.; Самошкина, Юлия Эрнестовна; Petrov, D. A.; Петров, Дмитрий Анатольевич; Rautskii, M. V.; Рауцкий, Михаил Владимирович; Neznakhin, D. S.; Stepanova, E. A.; Stepanov, A. L.; Российская академия наук; Физико-технический институт им. Е.К. Завойского ФИЦ Казанского научного центра РАН; Казанский (Приволжский) федеральный университет; Euro-Asian Symposium "Trends in MAGnetism"(8 ; 2022 ; Aug. ; 22-26 ; Kazan); "Trends in MAGnetism", Euro-Asian Symposium(8 ; 2022 ; Aug. ; 22-26 ; Kazan)
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Ovchinnikov, S. G.
Different physical mechanism of the UFM in ferromagnets with itinerant and localized electrons / S. G. Ovchinnikov, A. Kimel // Ultrafast Magnetism Conference (UMC2015). - 2015

Доп.точки доступа:
Kimel , A.; Ultrafast Magnetism Conference(2015 ; okt. ; 19-23 ; Nijmengen, Netherlands)
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Arkhipkin, V. G.
Effect of electromagnatically induced transparency on spectrum of defect modes of photonic crystal - art. no. 67292H / V. G. Arkhipkin, S. A. Myslivets, I. V. Timofeev ; ed.: VN Belyi, KN Drabovich, KN Drabovich ; International Conference on Coherent and Nonlinear Optics (2007) // ICONO 2007: Coherent and nonlinear optical phenomena. Ser. proceedings of the society of photo-optical instrumentation engineers (SPIE) / International Conference on Coherent and Nonlinear Optics (2007) : SPIE-Int. Soc. Optical Engineering, 2007. - Vol. 6729. - P. H7292-H7292, DOI 10.1117/12.751966. - Cited References: 33 . - ISBN 0277-786X. - ISBN 978-0-8194-6886-4

РУБ Optics
Рубрики:
ELECTROMAGNETICALLY INDUCED TRANSPARENCY
   NONLINEAR OPTICS
   COHERENT MEDIA
   LIGHT
   MICROCAVITIES
   PULSES
Кл.слова (ненормированные):
photonic crystal -- defect mode -- photonic band gap -- localized mode -- electromagnetically induced transparency -- Defect mode -- Electromagnetically induced transparency -- Localized mode -- Photonic band gap -- Photonic crystal -- Crystal defects -- Dispersion (waves) -- Electromagnetic field effects -- Transparency -- Photonic crystals
Аннотация: The effect of electromagnetically induced transparency on the spectrum of defect modes of one-dimensional photonic crystal is discussed theoretically. Narrowing of defect mode linewidth is predicted due to nonabsorbing highly dispersive medium in defect layer.

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Доп.точки доступа:
Myslivets, S. A.; Мысливец, Сергей Александрович; Timofeev, I. V.; Тимофеев, Иван Владимирович; Belyi, VN \ed.\; Drabovich, K. N. \ed.\; Архипкин, Василий Григорьевич; International Conference on Coherent and Nonlinear Optics(2007)
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Val'kov, V. V.
Effect of pressure on antiferromagnetic and superconducting ordering in systems with heavy fermions / V. V. Val'kov, A. O. Zlotnikov // Bull. Russ. Acad. Sci.: Phys. - 2012. - Vol. 76, Is. 7. - P. 733-736, DOI 10.3103/S1062873812070362. - Cited References: 7. - This work was supported by the Department of Physical Sciences, Russian Academy of Sciences (the Strong Electron Correlations Program); the Russian Foundation for Basic Research, projects nos. 100200251 and 110200741; the RFBR Sibir’, project no. 110298007; and by the federal target program Scientific and Pedagogical Personnel of an Innovative Russia, 2009–2013. . - ISSN 0022-2860
Кл.слова (ненормированные):
Antiferromagnetic orderings -- Antiferromagnetic orders -- Antiferromagnetic phasis -- Antiferromagnetics -- Cooper instability -- Effect of pressure -- External pressures -- Heavy fermion -- Impurity level -- Localized state -- Periodic Anderson model -- Seed energy -- Spin moments -- Superconducting ordering -- Superexchange interaction -- Superconductivity -- Antiferromagnetism
Аннотация: Characteristics of the superconducting and antiferromagnetic phases of heavy-fermion intermet-allides are described within a periodic Anderson model with allowance for the superexchange interaction between spin moments of the localized states. It is shown that an external pressure that changes the seed energy of an impurity level can rapidly destroy the long-range antiferromagnetic order. The development of the Cooper instability near such an order-disorder transition induces the experimentally observed state in which superconductivity coexists with the antiferromagnetic ordering. В© 2012 Allerton Press, Inc.

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Публикация на русском языке Вальков, Валерий Владимирович. Влияние давления на антиферромагнитное и сверхпроводящее упорядочение в системах с тяжелыми фермионами [Текст] / В. В. Вальков, A. O. Злотников // Изв. РАН. Сер. физич. - 2012. - Т. 76 № 7. - С. 821-824

Доп.точки доступа:
Zlotnikov, A. O.; Злотников, Антон Олегович; Вальков, Валерий Владимирович; International Interdisciplinary Symposium “Ordering in Minerals and Alloys” (14th ; 8 -13 Sept. 2011 ; Rostov-on-Don)
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Val'kov, V. V.
Effect of strong intersite correlations on the mixing of band and localized states of the periodic Anderson model / V. V. Val'kov, M. M. Korovushkin // JETP Letters. - 2008. - Vol. 87, Is. 4. - P. 204-208, DOI 10.1134/S002136400804005X. - Cited References: 10 . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
NARROW ENERGY BANDS
ELECTRON CORRELATIONS
Аннотация: It has been shown in the limit of the low density of band carriers that the inclusion of the strong intersite interaction between electrons within the framework of the periodic Anderson model results in two qualitatively new features in its energy structure. The first feature is associated with the appearance of an additional quasi-localized level, which significantly changes the structure of the electronic density of states. The second feature is the strong renormalization of the effective constant of hybridization with the bare localized level.

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Держатели документа:
[Val'kov, V. V.
Korovushkin, M. M.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Val'kov, V. V.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok 50/38, Krasnoyarsk 660036, Russian Federation
Siberian Federal University, Krasnoyarsk 660041, Russian Federation

Доп.точки доступа:
Korovushkin, M. M.; Коровушкин, Максим Михайлович; Вальков, Валерий Владимирович
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Engineering localized nonlinear - optical transport with optical phonons / A. K. Popov [и др.] // 13th International Conference on TransparenT Optical Network. - 2011. - Ст. 5971107

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Доп.точки доступа:
Popov, A.K.; Slabko, V.V.; Shalaev, M.I.; Myslivets, S. A.; Мысливец, Сергей Александрович; International Conference on Transparent Optical Networks(13 ; 2011 ; June ; 26-30 ; Stockholm, Sweden)
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Hybrid Tamm-cavity modes in photonic crystal with resonant nanocomposite defect layer / S. Y. Vetrov, A. Y. Avdeeva, M. V. Pyatnov, I. V. Timofeev // Комп. оптика. - 2020. - Т. 44, № 3. - С. 319-324 ; Comput. Opt., DOI 10.18287/2412-6179-CO-637. - Библиогр.: 32. - This research was funded by the Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund to the research Project No 18-42-243025 . - ISSN 0134-2452
Кл.слова (ненормированные):
Photonic crystals -- Nanocomposite -- Microcavities -- Localized modes
Аннотация: Hybrid optical modes in a one-dimensional photonic crystal with a resonant nanocomposite defect bounded by a metallic layer are studied. The nanocomposite consists of spherical metallic constituents, that are distributed in a dielectric matrix. Transmittance, reflectance, and absorbance spectra of this structure, which is shined by light with normal incidence, are calculated. The possibility of control of the hybrid modes spectral characteristics by changing the thickness of the layer adjacent to the metal, the number of layers, and the nanocomposite filling factor is shown.

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Держатели документа:
Siberian Federal University, pr. Svobodny 79, Krasnoyarsk, 660041, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Akademgorodok 50/38, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Vetrov, S. Ya.; Ветров, Степан Яковлевич; Avdeeva, A. Yu.; Авдеева, Анастасия Юрьевна; Pyatnov, M. V.; Пятнов, Максим Владимирович; Timofeev, I. V.; Тимофеев, Иван Владимирович

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Ivantsov, I. D.
Itinerant-localized model of strongly correlated electrons: Fermi surface reconstruction / I. Ivantsov, A. Ferraz, E. Kochetov // Phys. Rev. B. - 2017. - Vol. 96, Is. 19. - Ст. 195161, DOI 10.1103/PhysRevB.96.195161. - Cited References: 19 . - ISSN 2469-9950
Аннотация: A number of recent experiments have highlighted a remarkable transformation of a large cuprate Fermi surface into small pockets in the underdoped region signaling a breakdown of a conventional Fermi liquid theory in the pseudogap phase. A few phenomenological models have been recently put forward to account for this transformation. However, none of those models have been derived microscopically or are totally compatible with experimental data. In the present work we show that the observed Fermi-surface reconstruction can be accounted for directly within a standard microscopic t-J model of correlated electrons, provided strong electron correlations are properly taken into account.

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Держатели документа:
Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Dubna, Russian Federation
L. V. Kyrensky Institute of Physics, Siberian Branch of Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Department of Experimental and Theoretical Physics, International Institute of Physics, UFRN, Natal, Brazil

Доп.точки доступа:
Ferraz, A.; Kochetov, E.; Иванцов, Илья Дмитриевич
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10.

Bulgakov, E. N.
Light induced Josephson like current between two coupled nonlinear cavities coupled with a symmetrically positioned photonic crystal waveguide / E. . Bulgakov, K. . Pichugin, A. . Sadreev // J. Phys.: Condens. Matter. - 2011. - Vol. 23, Is. 6. - Ст. 65304, DOI 10.1088/0953-8984/23/6/065304. - Cited References: 26. - The work was supported by RFBR-grant 09-02-98005-'Siberia' and by RFBR-grant 11-02-00289. . - ISSN 0953-8984

РУБ Physics, Condensed Matter
Рубрики:
LOCALIZED MODES
BREAKING
CIRCUITS
Кл.слова (ненормированные):
Complex amplitude -- Green function theory -- Josephson -- Kerr materials -- Light intensity -- Nonlinear cavities -- Optical cavities -- Photonic crystal waveguide -- Optical waveguides -- Photonic crystals -- Transparency -- Waveguides -- Light transmission
Аннотация: We consider light transmission in a photonic crystal waveguide coupled with two identical nonlinear cavities positioned symmetrically beside the waveguide and coupled with each other. Using Green function theory we show three scenarios for the transmission. The first one inherits the linear case in which the light transmission preserves the symmetry. In the second scenario the symmetry is broken by the light intensities at the cavities. In the third scenario the intensities are equal but the phases of the complex amplitudes are different at the cavities. This results in a Josephson like current between the cavities. The model consideration agrees well with computations of the Poynting current in a photonic crystal waveguide coupled with two optical cavities filled with a Kerr material.

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Держатели документа:
[Bulgakov, Evgeny
Pichugin, Konstantin
Sadreev, Almas] Kirensky Inst Phys, Krasnoyarsk 660036, Russia
[Bulgakov, Evgeny] Siberian State Aerosp Univ, Krasnoyarsk, Russia
ИФ СО РАН
Kirensky Institute of Physics, 660036, Krasnoyarsk, Russian Federation
Siberian State Aerospace University, Krasnoyarsk Rabochii, 31, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Pichugin, K. N.; Пичугин, Константин Николаевич; Sadreev, A. F.; Садреев, Алмаз Фаттахович
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