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Izotov, A. V.
A METHOD FOR COMPUTING THE MICROWAVE ABSORPTION SPECTRUM IN A DISCRETE MODEL OF A FERROMAGNETIC / A. V. Izotov, B. A. Belyaev // Russ. Phys. J. - 2011. - Vol. 53, Is. 9. - P. 900-905, DOI 10.1007/s11182-011-9508-4. - Cited References: 8. - The work was supported in part by the Federal Purpose-Oriented Program "Scientific and Scientific-Pedagogical Staff of the Innovative Russia" for the years 2009-2013, RAS Presidium Project No. 27, and by the State Contract No. 02.740.11.0568. . - ISSN 1064-8887

РУБ Physics, Multidisciplinary
Рубрики:
MAGNETIZATION
Кл.слова (ненормированные):
magnetization oscillation -- Landau-Lifshitz equation -- absorption spectrum -- absorption spectrum -- Landau-Lifshitz equation -- magnetization oscillation
Аннотация: An effective method based on linearization of the Landau-Lifshitz equation has been developed to determine normal magnetization oscillation modes in a discrete model of a condensed medium. The possibility to calculate microwave absorption spectra for ferromagnetic specimens of any shape is shown.

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Держатели документа:
[Izotov, A. V.] Siberian Fed Univ, Krasnoyarsk, Russia
[Belyaev, B. A.] Russian Acad Sci, LV Kirenskii Inst Phys, Siberian Branch, Krasnoyarsk, Russia
ИФ СО РАН
Siberian Federal University, Krasnoyarsk, Russian Federation
L. V. Kirenskii Institute of Physics of the Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Belyaev, B. A.; Беляев, Борис Афанасьевич; Изотов, Андрей Викторович
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A METHOD FOR COMPUTING THE MICROWAVE ABSORPTION SPECTRUM IN A DISCRETE MODEL OF A FERROMAGNETIC [Text] / A. V. Izotov, B. A. Belyaev // Russ. Phys. J. - 2011. - Vol. 53, Is. 9. - P900-905, DOI 10.1007/s11182-011-9508-4. - Cited Reference Count: 8. - Гранты: The work was supported in part by the Federal Purpose-Oriented Program "Scientific and Scientific-Pedagogical Staff of the Innovative Russia" for the years 2009-2013, RAS Presidium Project No. 27, and by the State Contract No. 02.740.11.0568. - Финансирующая организация: Federal Purpose-Oriented Program; RAS Presidium [27]; State Contract [02.740.11.0568] . - FEB. - ISSN 1064-8887
Рубрики:

Кл.слова (ненормированные):
magnetization oscillation -- landau-lifshitz equation -- absorption spectrum -- absorption spectrum -- landau-lifshitz equation -- magnetization oscillation
Аннотация: An effective method based on linearization of the Landau-Lifshitz equation has been developed to determine normal magnetization oscillation modes in a discrete model of a condensed medium. The possibility to calculate microwave absorption spectra for ferromagnetic specimens of any shape is shown.

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Держатели документа:
Siberian Fed Univ, Krasnoyarsk, Russia
Russian Acad Sci, LV Kirenskii Inst Phys, Siberian Branch, Krasnoyarsk, Russia

Доп.точки доступа:
Izotov, A.V.; Belyaev, B. A.; Беляев, Борис Афанасьевич
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Gluck, M.
A quantum cable car for Wannier-Stark ladders / M. . Gluck, A. R. Kolovsky, H. J. Korsch // Phys. Lett. A. - 2000. - Vol. 276, Is. 1-4. - P. 167-174, DOI 10.1016/S0375-9601(00)00656-3. - Cited References: 13 . - ISSN 0375-9601

РУБ Physics, Multidisciplinary
Рубрики:
DYNAMIC LOCALIZATION
   BLOCH PARTICLE
   AC FIELDS
   DC
   STATES
   STATISTICS
   LIFETIME
Кл.слова (ненормированные):
Wannier-Stark ladder -- induced transitions -- Induced transitions -- Wannier-Stark ladder -- article -- energy -- oscillation -- quantum mechanics -- time -- transport kinetics
Аннотация: This Letter studies the dynamics of transitions between the levels of a Wannier-Stark ladder induced by a resonant periodic driving. The analysis of the problem is done in terms of resonance quasienergy states, which take into account the metastable character of the Wannier-Stark states. It is shown that the periodic driving creates from a localized Wannier-Stark state an extended Bloch-like state with a spatial length varying in time as similar to t(1/2). Such a state can find applications in the field of atomic optics because it generates a coherent pulsed atomic beam. (C) 2000 Elsevier Science B.V. All rights reserved.

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Держатели документа:
Univ Kaiserslautern, Fachbereich Phys, D-67653 Kaiserslautern, Germany
LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
ИФ СО РАН
Fachbereich Physik, Universitat Kaiserslautern, D-67653 Kaiserslautern, Germany
L.V. Kirensky Institute of Physics, 660036 Krasnoyarsk, Russian Federation

Доп.точки доступа:
Kolovsky, A. R.; Коловский, Андрей Радиевич; Korsch, H. J.
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A three-mode microstrip resonator and a miniature ultra-wideband filter based on it / B. A. Belyaev [et al.] // Dokl. Phys. - 2017. - Vol. 62, Is. 6. - P. 289-293, DOI 10.1134/S102833581706009X. - Cited References: 14 . - ISSN 1028-3358
Кл.слова (ненормированные):
Bandpass filters -- Microwave filters -- Resonators -- Filter structures -- High selectivity -- Microstrip resonator -- Oscillation mode -- Parametric synthesis -- Passband frequencies -- Ultra-wideband filters -- Wide band filter -- Microstrip filters
Аннотация: An original microstrip resonator design with a strip conductor split by a slot at one of its ends is investigated. It is demonstrated that at the optimal slot sizes, when the eigenfrequency of the second oscillation mode hits the center between the first and third oscillation modes, the resonator can work as a thirdorder bandpass filter. The structure formed from only two such resonators electromagnetically coupled by split conductor sections is a miniature six-order wideband filter with high selectivity. The test prototype of the filter with a central passband frequency of ~1.2 GHz and a passband width of ~0.75 GHz fabricated on a substrate ~(45 × 11 × 1) mm3 in size with a permittivity of 80 is characterized by minimum loss in a passband of 0.5 dB. The parametric synthesis of the filter structure was performed using electrodynamic analysis of the 3D model. The measured characteristics of the test prototype agree well with the calculated data.

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Публикация на русском языке Микрополосковый трёхмодовый резонатор и миниатюрный фильтр на его основе со сверхширокой полосой пропускания [Текст] / Б. А. Беляев [и др.] // Докл. Акад. наук : Наука, 2017. - Т. 474 № 6. - С. 682-686

Держатели документа:
Kirenskii Institute of Physics, Federal Research Center, Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Siberian State Aerospace University named after Reshetnev, Krasnoyarsk, Russian Federation
Krasnoyarsk Science Center, Russian Academy of Sciences, Siberian Branch, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Belyaev, B. A.; Беляев, Борис Афанасьевич; Khodenkov, S. A.; Leksikov, An. A.; Лексиков, Андрей Александрович; Shabanov, V. F.; Шабанов, Василий Филиппович
}
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KHVAN, D. C.
ASYMMETRIC HIGH-FREQUENCY DOMAIN-WALL OSCILLATION / D. C. KHVAN, P. D. KIM // Fiz. Tverd. Tela. - 1990. - Vol. 32, Is. 9. - P. 2549-2553. - Cited References: 4 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

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Доп.точки доступа:
KIM, P. D.
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KIM, P. D.
CONSTRAINED OSCILLATION OF THE MAGNETIC DOMAIN-WALL ON HIGH-FREQUENCIES / P. D. KIM, D. C. HVAN // Fiz. Tverd. Tela. - 1982. - Vol. 24, Is. 8. - P. 2300-2304. - Cited References: 8 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

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Доп.точки доступа:
HVAN, D. C.
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Dual-mode split microstrip resonator for compact narrowband bandpass filters / V. V. Tyurnev, A. M. Serzhantov // Prog. Electromagn. Res. C. - 2011. - Vol. 23. - P151-160, DOI 10.2528/PIERC11062104 . - ISSN 1937-8718
Кл.слова (ненормированные):
1-d models -- average frequency -- dual modes -- dual-mode filter -- microstrip resonator -- narrow bands -- oscillation mode -- pass bands -- structure parameter -- transmission zeros -- bandpass filters -- frequency response -- natural frequencies -- resonators -- microstrip filters
Аннотация: A straight split dual-mode microstrip resonator is proposed. The frequencies of the two first oscillation modes in the resonator may be brought closer together by adjusting a split parameter whereas the frequency of the third mode remains approximately equal to the doubled average frequency of the first and the second modes. It is shown that formulas derived within 1D model give qualitatively true relations between the resonant frequencies and the structure parameters of the resonator. Examples of narrowband bandpass filters of the fourth and the sixth order are described. Transmission zeros below and above the passband substantially improve the filter's performance. The simulated frequency response of the three-resonator dual-mode filter is compared with the measured response of the fabricated filter.

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Держатели документа:
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Tyurnev, V. V.; Тюрнев, Владимир Вениаминович; Serzhantov, A. M.
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Dynamical phase shift in x-ray absorption and ionization spectra by two delayed x-ray laser fields / V. Savchenko, F. Gel'mukhanov, T. Laarmann [et al.] // Phys. Rev. A. - 2021. - Vol. 104, Is. 1. - Ст. 013114, DOI 10.1103/PhysRevA.104.013114. - Cited References: 22. - The reported study was funded by Russian Foundation for Basic Research (RFBR), Project No. 19-29-12015. F.G. acknowledges also the support from the Helmholtz Virtual Institute VI419 Dynamic Pathways in Multidimensional Landscapes. T.L. acknowledges support by the Deutsche Forschungsgemeinschaft through the Cluster of Excellence “Advanced Imaging of Matter” (EXC 2056 - Project No. 390715994). V.K. acknowledges support from the Vetenskapsrådet (Grant No. 2019-03470) . - ISSN 2469-9926
Кл.слова (ненормированные):
Excited states -- Ionization -- X ray lasers -- Coherent X-rays -- Core-excited state -- Dynamical phase shift -- Ionization spectrum -- Phase oscillation -- Pulse envelopes -- Relative phase -- X-ray laser field -- X ray absorption
Аннотация: We study theoretically x-ray absorption and ionization spectra of an atom or molecule by two coherent x-ray pulses that show a relative phase shift resulting in a time delay of the pulse envelopes. We demonstrate that the phase modulation of the spectra is shifted with respect to the phase oscillation comb of the x-ray double pulse. The reason for this shift is the dynamics of the process defined by the interplay of the delay time, the pulse width, the detuning, and the lifetime of the core-excited state.

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Держатели документа:
International Research Center of Spectroscopy and Quantum Chemistry-, IRC SQC, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Department of Theoretical Chemistry and Biology, KTH Royal Institute of Technology, Stockholm, 10691, Sweden
Institute for Methods and Instrumentation in Synchrotron Radiation Research, FG-ISRR, Helmholtz-Zentrum Berlin fu, r Materialien und Energie, Albert-Einstein-Strasse 15, Berlin, 12489, Germany
Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, Hamburg, 22607, Germany
Hamburg Centre for Ultrafast Imaging CUI, Luruper Chaussee 149, Hamburg, 22761, Germany
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Savchenko, V.; Gel'mukhanov, F.; Laarmann, T.; Polyutov, S. P.; Полютов, Сергей Петрович; Kimberg, V.; Кимберг, Виктор Валерьевич
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Effect of the nonmagnetic layer in a Co/Cu/CoO trilayer structure on the exchange coupling in it / P. D. Kim [et al.] // J. Exp. Theor. Phys. - 2011. - Vol. 112, Is. 4. - P. 612-616, DOI 10.1134/S1063776111030058. - Cited References: 21 . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
SPACER LAYER
BIAS
ANISOTROPY
Кл.слова (ненормированные):
Cobalt layers -- Copper layer -- Exchange bias -- Interlayer exchange coupling -- Nonmagnetic layers -- Oscillation amplitude -- Temperature dependence -- Temperature range -- Trilayer film -- Trilayer structure -- Cobalt -- Crystal structure -- Epitaxial films -- Hysteresis -- Hysteresis loops -- Magnetic materials -- Exchange coupling
Аннотация: The dependence of the exchange bias of epitaxial single-crystal Co/Cu/CoO trilayer films on the copper layer thickness and temperature is studied. The exchange bias of the hysteresis loops of the ferromagnetic cobalt layer as a function of the copper layer thickness is found to have a well-pronounced oscillating character. The oscillations manifest themselves over the entire temperature range in which an exchange bias takes place (77-220 K). The complex variation of the oscillation amplitude with the nonmagnetic layer thickness can be explained by the superposition of two interlayer exchange coupling oscillation periods (lambda(1) a parts per thousand 10-11 , lambda(2) a parts per thousand 20 ) having differentamplitudes and temperature dependences.

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Держатели документа:
[Kim, P. D.
Patrin, G. S.
Turpanov, I. A.
Khalyapin, D. L.
Marushchenko, D. A.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Yu, S. C.
Song, Yu. Y.] Chungbuk Natl Univ, Dept Phys, Cheongju 361763, South Korea
[Yu, S. C.
Song, Yu. Y.] Chungbuk Natl Univ, Phys Program BK21, Cheongju 361763, South Korea
[Patrin, G. S.
Khalyapin, D. L.
Marushchenko, D. A.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation
BK21 Physics Program, Department of Physics, Chungbuk National University, Cheongju 361-763, South Korea
Siberian Federal University, Krasnoyarsk 660041, Russian Federation

Доп.точки доступа:
Kim, P. D.; Ким, Пётр Дементьевич; Yu, S. C.; Patrin, G. S.; Патрин, Геннадий Семёнович; Song, Y. Y.; Turpanov, I. A.; Турпанов, Игорь Александрович; Khalyapin, D. L.; Marushchenko, D. A.; Марущенко, Дмитрий Анатольевич
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10.

Highly selective suspended stripline dual-mode filter / B. A. Belyaev [et al.] // Prog. Electromagn. Res. Lett. - 2011. - Vol. 25. - P57-66 . - ISSN 1937-6480
Кл.слова (ненормированные):
band pass -- dual modes -- dual-mode filter -- filter construction -- filter performance -- fourth-order -- low insertion loss -- narrow band filter -- oscillation mode -- pass bands -- second orders -- special structure -- suspended stripline -- transmission zeros -- wide upper stopband -- frequency response -- resonators -- strip telecommunication lines -- bandpass filters
Аннотация: Miniature bandpass filter constructions based on a novel dual-mode suspended stripline resonator are proposed. Because of a special structure of the resonator, the frequencies of two first oscillation modes may be brought closer together. That allows realizing narrowband filters with the wide upper stopband. The filters have low insertion loss in the passband at small dimensions. Several transmission zeros substantially improve the filter performance. The derived coupling coeffcients account for some features in the frequency response of the filter. The second-order and fourth-order filters with transmission zeros have been fabricated and measured.

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Держатели документа:
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, Krasnoyarsk 660074, Russian Federation

Доп.точки доступа:
Belyaev, B. A.; Беляев, Борис Афанасьевич; Leksikov, A. A.; Лексиков, Александр Александрович; Tyurnev, V. V.; Тюрнев, Владимир Вениаминович; Serzhantov, A. M.; Сержантов, Алексей Михайлович
}
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