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Kolbysheva, O. P.
The coupling of solitons via phonons in the phi-4-phi-2-model / O. P. Kolbysheva, A. F. Sadreev // Zhurnal Eksperimentalnoi Teor. Fiz. - 1991. - Vol. 100, Is. 4. - P. 1262-1271. - Cited References: 9 . - ISSN 0044-4510

РУБ Physics, Multidisciplinary

Аннотация: The indirect coupling of solitons via phonons in the one-dimensional model phi-4-phi-2, as well as the coupling of plane domain walls in the d-dimensional model are analyzed. Both analytically and numerically, the indirect coupling is shown to be repulsive and significantly more long-range than the static coupling of solitons. The soliton coupling involving the soliton pinning is considered as well.

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Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович
}
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Zobov, V. E.
Dynamics in the systems with the 3-spin coupling induced by the strong radiofrequency field / V. E. Zobov, M. A. POPOV // Zhurnal Eksperimentalnoi Teor. Fiz. - 1993. - Vol. 103, Is. 6. - P. 2129-2141. - Cited References: 24 . - ISSN 0044-4510

РУБ Physics, Multidisciplinary
Рубрики:
RESONANCE
LINE
Аннотация: The dynamics of the crystal nucleus spin system in constant and continuous strong radiofrequency magnetic fields is studied. The variation of the relaxation properties of the magnetization perpendicular to the effective field is studied with changing the field orientation in the rotating frame of coordinates and with changing the relation in the mean hamiltonian of two- and three-spin dipole-dipole couplings. The third and fourth moments of the NMR spectrum in the rotating frame of coordinates and the free precession fall are calculated by means of the memory function. The connection between the three-spin coupling and the features of such falls observed in the experiments under magic angle and bias from it is explained.

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Доп.точки доступа:
POPOV, M. A.; Зобов, Владимир Евгеньевич
}
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Ignatchenko, V. A.
Disorder-induced resonance coupling of waves / V. A. Ignatchenko, L. I. DEICH // Phys. Rev. B. - 1994. - Vol. 50, Is. 22. - P. 16364-16372, DOI 10.1103/PhysRevB.50.16364. - Cited References: 8 . - ISSN 0163-1829

РУБ Physics, Condensed Matter

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Держатели документа:
Kirensky Institute of Physics, Krasnoyarsk 660036, Russian Federation
Доп.точки доступа:
DEICH, L. I.; Игнатченко, Вальтер Алексеевич
}
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Aplesnin, S. S.
Static and dynamic magnetic properties of coupled spin-1/2 antiferromagnetic chains / S. S. Aplesnin // J. Phys.: Condens. Matter. - 2000. - Vol. 12, Is. 37. - P. 8191-8207, DOI 10.1088/0953-8984/12/37/316. - Cited References: 21 . - ISSN 0953-8984

РУБ Physics, Condensed Matter
Рубрики:
ONE-DIMENSIONAL ANTIFERROMAGNETS
   SYSTEMS
   SUSCEPTIBILITY
   EXCITATIONS
   SR2CUO3
   CA2CUO3
   KCUF3
Кл.слова (ненормированные):
Computational methods -- Copper compounds -- Correlation methods -- Functions -- Magnetic field effects -- Magnetic properties -- Magnetization -- Monte Carlo methods -- Quantum theory -- Specific heat -- Thermal effects -- Excitation spectroscopy -- Interchain coupling -- Intrachain couplings -- Mean-field approximation -- Spin-spin correlation function -- Spinons -- Antiferromagnetic materials
Аннотация: Calculations of the thermodynamic quantities, and the spectra of spinons, triplet excitations, and two-particle spin-singlet (Delta S-z = 0, +/- 1) excitations for a weakly coupled antiferromagnetic S = 1/2 spin chain are made using a mean-field approximation for the interchain couplings (J(2)) by the quantum Monte Carlo method. The mass gaps in these excitation spectra are estimated as functions of the interchain coupling. The critical held H-c, and the temperatures at which the spinon and singlet gaps close (T-1 and T-2, respectively) are obtained. Some peculiarities of the staggered magnetization, the specific heat, and the spin-spin correlation function are found at T-1 = 0.9J(2), T-2 = 1.5J(2), H-c = 3.8J(2), as determined by linear function fitting for J(2)/J(1) < 0.15 The intrachain and interchain couplings, and the staggered magnetization for KCuF3, Sr2CuO3, and Ca2CuO3 are estimated, and mass gaps are predicted to exist in the spectra of the spinons and the singlet two-particle excitations.

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Держатели документа:
Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
ИФ СО РАН
L V Kirensky Institute of Physics, Siberian Br. Russ. Acad. of Sci., Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Аплеснин, Сергей Степанович
}
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Ignatchenko, V. A.
Correlation-induced coupling of wave fields in disordered media / V. A. Ignatchenko, M. V. Erementchouk, A. A. Maradudin // Phys. Rev. B. - 2001. - Vol. 63, Is. 5. - Ст. 54205. - Cited References: 8 . - ISSN 0163-1829

РУБ Physics, Condensed Matter
Рубрики:
HARMONIC OSCILLATOR
CROSSING RESONANCE
Аннотация: The interaction of two wave fields of different physical natures in a disordered medium with a zero-mean coupling between these fields is studied for the example of spin and elastic waves in zero-mean magnetostrictive media. It is shown that correlations between inhomogeneities of the coupling parameter and any other parameter of the medium lead to the appearance of an effective coupling parameter between the averaged waves, which is proportional to the intensity of the correlation and, correspondingly, to the possibility of the excitation of the averaged wave of one field by a force acting on the other wave field.

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Держатели документа:
LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Univ Calif Irvine, Irvine, CA 92717 USA
ИФ СО РАН

Доп.точки доступа:
Erementchouk, M. V.; Maradudin, A. A.; Игнатченко, Вальтер Алексеевич
}
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Pichugin, K.
Effective coupling for open billiards / K. . Pichugin, H. . Schanz, P. . Seba // Phys. Rev. E. - 2001. - Vol. 64, Is. 5. - Ст. 56227, DOI 10.1103/PhysRevE.64.056227. - Cited References: 30 . - ISSN 1063-651X

РУБ Physics, Fluids & Plasmas + Physics, Mathematical
Рубрики:
QUANTUM CHAOTIC SCATTERING
   MICROWAVE CAVITY
   RESONANCE POLES
   QUANTIZATION
   STATISTICS
   DYNAMICS
   FORMULA
   SYSTEMS
   STATES
Аннотация: We derive an explicit expression for the coupling constants of individual eigenstates of a closed billiard that is opened by attaching a waveguide. The Wigner time delay and the resonance positions resulting from the coupling constants are compared to an exact numerical calculation. Deviations can be attributed to evanescent modes in the waveguide and to the finite number of eigenstates taken into account. The influence of the shape of the billiard and of the boundary conditions at the mouth of the waveguide are also discussed. Finally we show that the mean value of the dimensionless coupling constants tends to the critical value when the eigenstates of the billiard follow random-matrix theory.

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Acad Sci Czech Republ, Inst Phys, Prague, Czech Republic
Univ Gottingen, Inst Nichtlineare Dynam, D-37073 Gottingen, Germany
Max Planck Inst Stromungsforsch, D-37073 Gottingen, Germany
Pedag Univ, Dept Phys, Hradec Kralove, Czech Republic
ИФ СО РАН

Доп.точки доступа:
Schanz, H.; Seba, P.
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Multilayer Co/Pd films with nanocrystalline and amorphous Co layers: Coercive force, random anisotropy, and exchange coupling of grains / R. S. Iskhakov [et al.] // Tech. Phys. Lett. - 2002. - Vol. 28, Is. 9. - P. 725-728, DOI 10.1134/1.1511766. - Cited References: 14 . - ISSN 1063-7850

РУБ Physics, Applied
Рубрики:
MAGNETIC-PROPERTIES
   SIZE DEPENDENCE
   ALLOYS
   FERROMAGNETS
   FE
Аннотация: The values of saturation magnetization M-s, exchange coupling constant A, local magnetic anisotropy field H-a , random anisotropy correlation radius R-c, and coercive force H-c were independently measured for multilayer Co/Pd films with nanocrystalline and amorphous Co layers. It is shown that variation of the coercive force H-c(t(Co)) as a function of the cobalt layer thickness t(Co) is related to changes in characteristics of the magnetic microstructure. The main factor determining changes in the ferromagnetic correlation radius R-f and the average anisotropy [K] of a magnetic block in multilayer Co/Pd films is variation of exchange coupling constant A(t(Co)). (C) 2002 MAIK "Nauka/Interperiodica".

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Держатели документа:
Russian Acad Sci, Kirensky Inst Phys, Siberian Div, Krasnoyarsk, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Iskhakov, R. S.; Исхаков, Рауф Садыкович; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Balaev, A. D.; Балаев, Александр Дмитриевич; Chekanova, L. A.; Чеканова, Лидия Александровна
}
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Aplesnin, S. S.
Influence of spin-phonon coupling on the magnetic moment in 2D spin-1/2 antiferromagnet / S. S. Aplesnin // Phys. Lett. A. - 2003. - Vol. 313, Is. 1-2. - P. 122-125, DOI 10.1016/S0375-9601(03)00689-3. - Cited References: 17 . - ISSN 0375-9601

РУБ Physics, Multidisciplinary
Рубрики:
SQUARE LATTICE
EU2CUO4
MODEL
Кл.слова (ненормированные):
2D Heisenberg model -- spin-phonon interactions -- 2D Heisenberg model -- Spin-phonon interactions -- ferromagnetic material -- anisotropy -- article -- liquid -- magnetism -- mathematical model -- Monte Carlo method -- quantum theory -- thermal conductivity -- vibration
Аннотация: The ground state of two-dimensional Heisenberg spin-1/2 antiferromagnet (AF) with the spin-phonon coupling is studied by the quantum Monte Carlo method. The magnetic moment per site, mean-square vibration of ion, phase diagram of AF long range order-quantum spin. liquid are simulated. The spin-phonon coupling is estimated for R2CuO4, R = Gd, Eu. (C) 2003 Elsevier Science B.V. All rights reserved.

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Держатели документа:
LV Kirenskii Inst Phys, Russian Acad Sci, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН
L. V. Kirenskii Institute of Physics, Siberian Br. of Russ. Acad. of Sci., Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Аплеснин, Сергей Степанович
}
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Magnetic resonance in multilayer Gd/Si/Co magnetic films / G. S. Patrin [et al.] // J. Exp. Theor. Phys. - 2006. - Vol. 102, Is. 1. - P. 131-136, DOI 10.1134/S1063776106010158. - Cited References: 9 . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
FIELD
Кл.слова (ненормированные):
Magnetic properties -- Molecular dynamics -- Paramagnetic resonance -- Thin films -- Exchange parameters -- Gyromagnetic ratios -- Interlayer coupling -- Magnetic dynamics -- Resonance
Аннотация: The magnetic properties of multilayer Gd/Si/Co magnetic films are experimentally studied by electron magnetic resonance and analyzed theoretically. The introduction of a semiconductor silicon interlayer is found to substantially affect the magnetic interlayer coupling and the magnetic dynamics of the system. The interlayer coupling is shown to be ferromagnetic for the (Gd/Si)(n) films and to be antiferromagnetic for the (Gd/Si/Co/Si)(n) films. The temperature dependences of the exchange parameters and the gyromagnetic ratios are determined. Possible mechanisms responsible for the formation of the interlayer coupling are discussed.

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Держатели документа:
Russian Acad Sci, Siberian Div, Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Ural State Univ, Ekaterinburg 620083, Russia
Krasnoyarsk State Univ, Krasnoyarsk 660041, Russia
ИФ СО РАН
Kirenskii Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Ural State University, pr. Lenina 51, Yekaterinburg, 620083, Russian Federation
Krasnoyarsk State University, pr. Svobodnyi 79, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Patrin, G. S.; Патрин, Геннадий Семёнович; Vas'kovskii, V. O.; Svalov, A. V.; Eremin, E. V.; Еремин, Евгений Владимирович; Panova, M. A.; Vasil'ev, V. N.
}
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10.

Investigation of the Josephson coupling through a magnetoactive barrier (ferrimagnet, paramagnet) in Y3/4Lu1/4Ba2Cu3O7+Y-3(Al1-xFex)(5)O-12 composites / D. A. Balaev [et al.] // Phys. Solid State. - 2006. - Vol. 48, Is. 11. - P. 2046-2055, DOI 10.1134/S1063783406110023. - Cited References: 41 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
S-F-S
   MAGNETIC-PROPERTIES
   RESISTIVE PROPERTIES
   JUNCTION NETWORK
   SUPERCONDUCTOR
   Y3FE5-XALXO12
   TRANSITION
   TRANSPORT
   METAL
   FIELD
Аннотация: The transport properties of two-phase composites consisting of a high-temperature superconductor and a nonsuperconducting component with magnetic ordering are analyzed. These composites are considered as a network of "superconductor-magnetoactive insulator-superconductor" weak links of the Josephson type. Substituted garnets Y-3(Al1 - x Fe (x) )(5)O-12 (x = 0, ..., 1.0) are used as a magnetoactive component. The composites under investigation contain 92.5 vol % Y3/4Lu1/4Ba2Cu3O7 (the high-temperature superconductor) and 7.5 vol % Y-3(Al1 - x Fe (x) )(5)O-12 (x = 0, ..., 1.0). It is shown that an increase in the iron content in the Y-3(Al1 - x Fe (x) )(5)O-12 garnet leads to a reduction of the Josephson coupling strength: the temperature range in which the electrical resistance of the composites is equal to zero is reduced, and the critical current density at a temperature of 4.2 K decreases exponentially. For composites in which the iron content in the Y-3(Al1 - x Fe (x) )(5)O-12 garnet is higher than 0.1, the temperature dependence of the electrical resistance R(T) at temperatures below the transition point T-C of high-temperature superconductor crystallites has a portion in the range T-m -T-C where the resistance R(T) is independent of the transport current and the magnetic field strength. Below the temperature T-m , the dependences of the electrical resistance R(T) of the composites are nonlinear functions of the current and involve a considerable contribution from magnetoresistance. This behavior is characteristic of a network of Josephson junctions. The temperature T-m decreases with an increase in the iron content in the Y-3(Al1 - x Fe (x) )(5)O-12 garnet. The appearance of the above feature in the temperature dependences of the electrical resistance R(T) is interpreted as complete suppression of the Josephson coupling in the temperature range above T (m) due to the interaction of supercurrent carrier pairs with magnetic moments of iron atoms in the dielectric barriers separating high-temperature superconductor grains.

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Держатели документа:
Russian Acad Sci, Siberian Div, Kirensky Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Popkov, S. I.; Попков, Сергей Иванович; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Petrov, M. I.; Петров, Михаил Иванович
}
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11.

Bulgakov, E. N.
Correlated behavior of conductance and phase rigidity in the transition from the weak-coupling to the strong-coupling regime / E. N. Bulgakov, I. . Rotter, A. F. Sadreev // Phys. Rev. B. - 2007. - Vol. 76, Is. 21. - Ст. 214302, DOI 10.1103/PhysRevB.76.214302. - Cited References: 42 . - ISSN 1098-0121

РУБ Physics, Condensed Matter
Рубрики:
OPEN QUANTUM-SYSTEMS
   NUCLEAR CROSS-SECTIONS
   UNIFIED THEORY
   FLUCTUATIONS
   CONTINUUM
   BILLIARD
   STATES
Аннотация: We study the transmission through different small systems as a function of the coupling strength v to the two attached leads. The leads are identical with only one propagating mode xi(E)(C) in each of them. In addition to the conductance G, we calculate the phase rigidity rho of the scattering wave function Psi(E)(C) in the interior of the system. Most interesting results are obtained in the regime of strongly overlapping resonance states where the crossover from staying to traveling modes takes place. The crossover is characterized by collective effects. Here, the conductance is plateaulike enhanced in some energy regions of finite length while corridors with zero transmission (total reflection) appear in other energy regions. This transmission picture depends only weakly on the spectrum of the closed system. It is caused by the alignment of some resonance states of the system with the propagating modes xi(E)(C) in the leads. The alignment of resonance states takes place stepwise by resonance trapping, i.e., it is accompanied by the decoupling of other resonance states from the continuum of propagating modes. This process is quantitatively described by the phase rigidity rho of the scattering wave function. Averaged over energy in the considered energy window, G is correlated with 1-rho . In the regime of strong coupling, only two short-lived resonance states survive each aligned with one of the channel wave functions xi(E)(C). They may be identified with traveling modes through the system. The remaining M-2 trapped narrow resonance states are well separated from one another.

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Держатели документа:
[Bulgakov, E. N.
Rotter, I.
Sadreev, A. F.] Max Planck Inst Phys Komplexer Syst, D-01187 Dresden, Germany
[Bulgakov, E. N.
Sadreev, A. F.] LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Max Planck Institute for the Physics of Complex Systems, D-01187 Dresden, Germany
Kirensky Institute of Physics, 660036, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Rotter, I.; Sadreev, A. F.; Садреев, Алмаз Фаттахович; Булгаков, Евгений Николаевич
}
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12.

Observation of nonmonotonic oscillatory interlayer exchange coupling in Co/Cu/CoO films with varying Cu spacer thickness / Y. Y. Song [et al.] // J. Appl. Phys. - 2008. - Vol. 103: 52nd Annual Conference on Magnetism and Magnetic Materials (NOV 05-09, 2007, Tampa, FL), Is. 7. - Ст. 07C112, DOI 10.1063/1.2831390. - Cited References: 20 . - ISSN 0021-8979

РУБ Physics, Applied
Рубрики:
GIANT MAGNETORESISTANCE
   MAGNETIC-ANISOTROPY
   LAYERS
   BIAS
   SUPERLATTICES
   MULTILAYERS
   TRILAYERS
Кл.слова (ненормированные):
Copper -- Film thickness -- Thermal effects -- CoCuCoO films -- Oscillatory interlayer exchange coupling. -- Metallic films
Аннотация: We report our experimental observation of interlayer exchange coupling phenomena in CoO/Cu/Co trilayers with systematic variation of Cu spacer layer thickness as well as temperature. It has been found that there exists a clear indication of nonmonotonically varying oscillatory interlayer exchange coupling. The amplitude of oscillation increases, reaches to the maximum, and decreases with increasing Cu spacer thickness from 1 to 16 atomic layers for all temperature ranges between 70 and 200 K. (c) 2008 American Institute of Physics.

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Держатели документа:
[Song, Young-Yeal
Kim, Dong-Hyun
Yu, Seong-Cho] Chungbuk Natl Univ, BK21 Phys Program, Cheongju 361763, South Korea
[Song, Young-Yeal
Kim, Dong-Hyun
Yu, Seong-Cho] Chungbuk Natl Univ, Dept Phys, Cheongju 361763, South Korea
[Kim, Petr D.
Turpanov, Igor Alexandrovic
Lee, Liudmila Alexeevna] SB RAS, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Buzmakov, Afanasy Egorovic] Krasnoyarsk State Tech Univ, Krasnoyarsk 660074, Russia
[Lee, Kyu Won] Korea Res Inst Stand & Sci, Taejon 305340, South Korea
ИФ СО РАН
BK21 Physics Program, Department of Physics, Chungbuk National University, Cheongju 361-763, South Korea
Kirensky Institute of Physics SB RAS, Academgorodok, 50, Krasnoyarsk, 660036, Russian Federation
Krasnoyarsk State Technical University, Kirenskogo, 26, Krasnoyarsk, 660074, Russian Federation
Korea Research Institute of Standard and Science, Taejon 305-340, South Korea

Доп.точки доступа:
Song, Y. Y.; Kim, D. H.; Yu, S. C.; Kim, P. D.; Ким, Пётр Дементьевич; Turpanov, I. A.; Турпанов, Игорь Александрович; Lee, L. A.; Ли, Людмила Алексеевна; Buzmakov, A. E.; Lee, K. W.
}
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13.

Aver'yanov, E. M.
Nonlinear coupling between the mean polarizability (gamma)over-bar of molecules and the local-field anisotropy in a liquid crystal and change of the "(gamma)over-bar = const" paradigm / E. M. Aver'yanov // JETP Letters. - 2008. - Vol. 87, Is. 5. - P. 258-261 ; JETP Letters. - 2008. - Vol. 87, Is. 5. - P. 258-261, DOI 10.1134/S002136400805007X. - Cited References: 14 . - ISSN 0021-3640. - Вариант Sopus

РУБ Physics, Multidisciplinary
Рубрики:
REFRACTIVE-INDEXES
ORDER
Аннотация: The nonlinear relation between the mean effective polarizability (gamma) over bar of molecules and the local-field anisotropy in uniaxial liquid crystals is demonstrated. Stringent constraints on (gamma) over bar from below, indicative of the dependence of on the liquid-crystal state and the change of the "(gamma) over bar = const" paradigm, are established. The theoretical results are confirmed by experiments with nematic liquid crystals having high and low birefringences.

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Аверьянов, Евгений Михайлович

}
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14.

Magnetic resonance investigations of interlayer coupling in Co/Ge/Co trilayer films / G. S. Patrin, I. A. Turpanov [et al.] // International Symposium "Spin waves - 2009" : Saint Petersburg, Russia, June 7-12, 2009 : Simposium program. Abstracts. - 2009. - P63. - The present investigations have financial support of Russian Fund of Basic Research (grant №08-02-00397-а).

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Доп.точки доступа:
Patrin, G. S.; Патрин, Геннадий Семёнович; Turpanov, I. A.; Турпанов, Игорь Александрович; Petrakovskaya, E. A.; Петраковская, Элеонора Анатольевна; Rautsky, M. V.; Рауцкий, Михаил Владимирович; Patrin, K. G.; Патрин, Константин Геннадьевич; Kobyakov, A. V.; Кобяков, Александр Васильевич; Российская академия наук; Физико-технический институт им. А.Ф. Иоффе РАН; "Spin Waves", International Symposium(2009 ; JUN ; Saint-Petersburg)
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15.

BCS-type Theory for the Sum of Magnetic and Phonon Coupling in high-Tc Cuprates / E. Shneyder, S. Ovchinnikov // 18th International Conference on Magnetism (ICM-2009). - 2009. - Ст. Mo-A-5.1-03

Доп.точки доступа:
Shneyder, E.; Ovchinnikov, S.; International Conference on Magnetism(18 ; 2009 ; July 26-31 ; Karlsruhe, Germany)
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16.

On instability of the neel phase of the anisotropic non-heisenberg hamiltonian with antiferromagnetic coupling on a square lattice / V. V. Val’kov, T. A. Val'kova, A. A. Shklyaev // International Symposium "Spin waves - 2009" : Saint Petersburg, Russia, June 7-12, 2009 : Simposium program. Abstracts. - 2009. - P38. - This study was supported by the Program “Quantum Physics of Condensed Matter” of the Presidium of the Russian Academy of Sciences, the Russian Foundation for Basic Research (project no. 07-02-00226), and the Siberian Branch of the Russian Academy of Sciences (integration project no.53).

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Держатели документа:
Kirensky Institute of Physics, Russian Academy of Sciences, Siberian Branch, Krasnoyarsk, 660036 Russia
Сибирский федеральный университет

Доп.точки доступа:
Val'kov, V. V.; Вальков, Валерий Владимирович; Val'kova, T. A.; Shklyaev, A. A.; Шкляев, Андриан Анатольевич; Российская академия наук; Физико-технический институт им. А.Ф. Иоффе РАН; "Spin Waves", International Symposium(2009 ; JUN ; Saint-Petersburg)
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17.

Magnetoelastic coupling in the triangular lattice antiferromagnet CuCrS2 / JCE Rasch [et al.] // Phys. Rev. B. - 2009. - Vol. 80, Is. 10. - Ст. 104431, DOI 10.1103/PhysRevB.80.104431. - Cited References: 30. - We are grateful for support and allocated beam time at the Institut Laue-Langevin (D1A, IN3),Grenoble, France, the spallation neutron source SINQ (TriCS, DMC) and the SLS-MS beamline, both Paul Scherrer Insitut, Villigen, Switzerland. This work was supported by INTAS Grant No. 06-1000013-9002 of the Russian Academy of Science (RAS), Siberian Branch. . - ISSN 1098-0121

РУБ Physics, Condensed Matter
Рубрики:
NEUTRON POWDER DIFFRACTION
   MAGNETIC-STRUCTURE
   STRUCTURAL-PROPERTIES
   PHASE-TRANSITION
   SOLID OXYGEN
   ALPHA-PHASES
   BETA-PHASES
   SELENIDES
   SULFIDES
Аннотация: CuCrS2 is a triangular lattice Heisenberg antiferromagnet with a rhombohedral crystal structure. We report on neutron and synchrotron powder diffraction results which reveal a monoclinic lattice distortion at the magnetic transition and verify a magnetoelastic coupling. CuCrS2 is therefore an interesting material to study the influence of magnetism on the relief of geometrical frustration.

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Держатели документа:
[Rasch, Julia C. E.
Boehm, Martin
Ritter, Clemens
Mutka, Hannu] Inst Max Von Laue Paul Langevin, F-38042 Grenoble 9, France
[Rasch, Julia C. E.
Schefer, Juerg
Keller, Lukas] ETH, Neutron Scattering Lab, CH-5232 Villigen, Switzerland
[Cervellino, Antonio] Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland
[Abramova, Galina M.] SB RAS, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Loeffler, Joerg F.] ETH, Dept Mat, Lab Met Phys & Technol, CH-8093 Zurich, Switzerland
ИФ СО РАН
Institut Laue-Langevin, 6 Rue Jules Horowitz, 38042 Grenoble Cedex 9, France
Laboratory for Neutron Scattering, ETH Zurich, Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland
L.V. Kirensky Institute of Physics, SB, RAS, Krasnoyarsk 660036, Russian Federation
Swiss Light Source, Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland
Laboratory of Metal Physics and Technology, Department of Materials, ETH Zurich, 8093 Zurich, Switzerland

Доп.точки доступа:
Rasch, JCE; Boehm, M.; Ritter, C.; Mutka, H.; Schefer, J.; Keller, L.; Abramova, G. M.; Абрамова, Галина Михайловна; Cervellino, A.; Loffler, J. F.; Russian Academy of Science (RAS), Siberian Branch [06-1000013-9002]
}
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18.

Magnetoelastic coupling in triangular lattice antiferromagnet CuCrS2 / J. C.E. Rasch, M. Boehm [et al.] // arXiv. - 2009. - Ст. cond-mat/0907.4850. - P1-6. - Библиогр.: 30
Аннотация: CuCrS2 is a triangular lattice Heisenberg antiferromagnet with a rhombohedral crystal structure. We report on neutron and synchrotron powder diffraction results which reveal a monoclinic lattice distortion at the magnetic transition and verify a magnetoelastic coupling. CuCrS2 is therefore an interesting material to study the influence of magnetism on the relief of geometrical frustration.

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Держатели документа:
Institut Laue-Langevin, 6 Rue Jules Horowitz, BP 156, 38042 Grenoble Cedex 9, France
Laboratory for Neutron Scattering, ETH Zurich & Paul Scherrer Institut, CH-5232 Villigen, PSI, Switzerland
L.V. Kirensky Institute of Physics, SB RAS, Krasnoyarsk 660036, Russia
Swiss Light Source, Paul Scherrer Institut, CH-5232 Villigen, PSI, Switzerland
Laboratory of Metal Physics and Technology, Department of Materials, ETH Zurich, 8093 Zurich, Switzerland

Доп.точки доступа:
Rasch, J.C.E.; Boehm, M.; Ritter, C.; Mutka, H.; Schefer, J.; Keller, L.; Abramova, G. M.; Абрамова, Галина Михайловна; Cervellino, A.; Leoffler, J.F.
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19.

Coupling coefficients of resonators in microwave filter theory / V. V. Tyurnev // Progress In Electromagnetics Research B. - 2010. - № 21. - P. 47-67 . - ISSN 1937-6472

РИНЦ
Держатели документа:
Kirensky Institute of Physics,Siberian Branch of Russian Academy of Sciences

Доп.точки доступа:
Tyurnev, V. V.; Тюрнев, Владимир Вениаминович
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20.

Frolov, G. I.
Studying the mechanism of exchange coupling in ferro/ferrimagnet NiFe/DyCo film structures / G. I. Frolov, V. A. Seredkin, V. Y. Yakovchuk // Tech. Phys. Lett. - 2010. - Vol. 36, Is. 1. - P. 57-59, DOI 10.1134/S1063785010010189. - Cited References: 7. - This study was supported in part by the Program for Development of the Scientific Potential of Russian Universities (project no. RNP.2.1.1/4399). . - ISSN 1063-7850

РУБ Physics, Applied
Рубрики:
ANISOTROPY
Аннотация: Dependence of the magnetic and magnetooptical properties of an exchange-coupled NiFe/DyCo bilayer system on the thickness (t (DyCo)) of a magnetically hard layer has been studied. It is established that the unidirectional anisotropy vanishes at t (DyCo) similar to 400 , while the coercive field in the magnetically soft layer becomes comparable to the exchange-induced field shift. In this case, the DyCo layer magnetization is almost parallel to the film plane, whereas a reference DyCo film exhibits a perpendicular anisotropy. A model of the magnetic state of layers in the ferro/ferrimagnetic layer structure under consideration is proposed, which assumes that a 180A degrees domain wall is formed at the interface upon magnetization reversal in the magnetically soft layer.

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Держатели документа:
[Frolov, G. I.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk, Russia
Siberian State Aerosp Univ, Krasnoyarsk, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Siberian State Aerospace University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Seredkin, V. A.; Середкин, Виталий Александрович; Yakovchuk, V. Y.; Фролов, Георгий Иванович
}
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