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Valkov, V. V.
CONTRIBUTION OF MAGNON-MAGNON INTERACTION TO THERMODYNAMICS OF ANISOTROPIC FERROMAGNETS / V. V. VALKOV, S. G. OVCHINNIKOV // Zhurnal Eksperimentalnoi Teor. Fiz. - 1983. - Vol. 85, Is. 5. - P. 1666-1674. - Cited References: 19 . - ISSN 0044-4510

РУБ Physics, Multidisciplinary

WOS
Доп.точки доступа:
Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Val'kov, V. V.
}
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APLESNIN, S. S.
CRITICAL-BEHAVIOR OF DILUTED ISING MAGNETS WITH ANISOTROPIC EXCHANGE INTERACTION DISTRIBUTION / S. S. APLESNIN // Fiz. Tverd. Tela. - 1984. - Vol. 26, Is. 11. - P. 3355-3361. - Cited References: 19 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

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ERUKHIMOV, M. S.
ELEMENTARY EXCITATIONS IN ANISOTROPIC NARROW-BAND MAGNETIC SEMICONDUCTORS / M. S. ERUKHIMOV, S. G. OVCHINNIKOV // Theor. Math. Phys. - 1986. - Vol. 67, Is. 2. - P. 473-482, DOI 10.1007/BF01118154. - Cited References: 19 . - ISSN 0040-5779

РУБ Physics, Multidisciplinary + Physics, Mathematical

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Доп.точки доступа:
OVCHINNIKOV, S. G.; Овчинников, Сергей Геннадьевич
}
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Petrakovskii, G. A.
Monte-Carlo study of thermodynamical properties of anisotropic heisenberg ferromagnets / G. A. Petrakovskii, S. S. Aplesnin // Fiz. Tverd. Tela. - 1986. - Vol. 28, Is. 4. - P. 1167-1171. - Cited References: 14 . - ISSN 0367-3294

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Доп.точки доступа:
Aplesnin, S. S.; Аплеснин, Сергей Степанович; Петраковский, Герман Антонович
}
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BULGAKOV, E. N.
INHOMOGENEOUS STATES OF A QUANTUM COMPETING-BOND ANISOTROPIC MAGNET / E. N. BULGAKOV, A. F. SADREEV // Fiz. Tverd. Tela. - 1987. - Vol. 29, Is. 2. - P. 523-526. - Cited References: 5 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

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Доп.точки доступа:
SADREEV, A. F.
}
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VALKOV, V. V.
ANGULAR-DEPENDENCE OF FMR FREQUENCY IN STRONGLY ANISOTROPIC UNIAXIAL FERROMAGNETICS / V. V. VALKOV, G. N. MATSULYEVA // Zhurnal Eksperimentalnoi Teor. Fiz. - 1988. - Vol. 94, Is. 1. - P. 217-226. - Cited References: 35 . - ISSN 0044-4510

РУБ Physics, Multidisciplinary

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Доп.точки доступа:
MATSULYEVA, G. N.
}
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VALKOV, V. V.
SOME FEATURES OF THE EXCITATION SPECTRUM OF ANISOTROPIC FERROMAGNETIC METALS IN A MAGNETIC-FIELD / V. V. VALKOV // Zhurnal Eksperimentalnoi Teor. Fiz. - 1989. - Vol. 95, Is. 1. - P. 192-210. - Cited References: 25 . - ISSN 0044-4510

РУБ Physics, Multidisciplinary

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}
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APLESNIN, S. S.
MAGNETIC-PROPERTIES OF A UNIAXIAL ANISOTROPIC ANTIFERROMAGNET WITH TRIANGULAR LATTICE / S. S. APLESNIN // Fiz. Tverd. Tela. - 1989. - Vol. 31, Is. 10. - P. 83-91. - Cited References: 12 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

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ZOBOV, V. E.
AUTOCORRELATION FUNCTIONS OF THE ANISOTROPIC HEISENBERG PARAMAGNET IN THE APPROXIMATION OF A SELF-CONSISTENT FLUCTUATING FIELD / V. E. ZOBOV // Theor. Math. Phys. - 1990. - Vol. 84, Is. 1. - P. 751-757, DOI 10.1007/BF01017200. - Cited References: 10 . - ISSN 0040-5779

РУБ Physics, Multidisciplinary + Physics, Mathematical
Рубрики:
RELAXATION
Аннотация: The method proposed earlier for investigating the dynamics of the isotropic Heisenberg paramagnet at high temperatures is generalized to the anisotropic case. A system of nonlinear integrodifferential equations relating the three autocorrelation functions of the x, y, and z components of an individual spin is obtained. A solution of the system is sought in the form of series in powers of the time and is investigated on the plane of the complex time variable. The coefficients of the series up to the tenth order for the xy model and the model with truncated dipole interaction are calculated, and the parameters of the singular points nearest the origin are determined from them.

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Доп.точки доступа:
Зобов, Владимир Евгеньевич
}
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10.

Aplesnin, S. S.
Magnetic phases of a stochastic anisotropic hexagonal magnet / S. S. Aplesnin // Fiz. Tverd. Tela. - 1990. - Vol. 32, Is. 11. - P. 3220-3229. - Cited References: 11 . - ISSN 0367-3294

РУБ Physics, Condensed Matter
Рубрики:
TRIANGULAR-LATTICE
ANTIFERROMAGNETS

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Доп.точки доступа:
Аплеснин, Сергей Степанович
}
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11.

VALKOV, V. V.
PHASE-TRANSITIONS IN ANISOTROPIC NON-HEISENBERG MAGNETS WITH A TENSOR ORDER PARAMETER / V. V. VALKOV, B. V. FEDOSEEV // Fiz. Tverd. Tela. - 1990. - Vol. 32, Is. 12. - P. 3522-3530. - Cited References: 13 . - ISSN 0367-3294

РУБ Physics, Condensed Matter
Рубрики:
BIQUADRATIC EXCHANGE
FERROMAGNET

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Доп.точки доступа:
FEDOSEEV, B. V.
}
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12.

Aplesnin, S. S.
Temperature-induced weak ferromagnetism in an anisotropic magnetic with competing interactions / S. S. Aplesnin // Zhurnal Eksperimentalnoi Teor. Fiz. - 1991. - Vol. 99, Is. 1. - P. 189-193. - Cited References: 10 . - ISSN 0044-4510

РУБ Physics, Multidisciplinary
Рубрики:
ANTIFERROMAGNETS
Аннотация: The region of temperature and exchange with a temperature-induced weak ferro magnetic moment in a magnet with competing interactions in the second coordination sphere and with anisotropic distribution of opposite sign bonds possessing a tensor nature in the first sphere is determined by the Monte Carlo method. The temperature dependence of the susceptibility, specific heat and magnetization in an external field is determined.

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Доп.точки доступа:
Аплеснин, Сергей Степанович
}
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13.

APLESNIN, S. S.
NONPERIODIC STRUCTURES WITH A MULTICOMPONENT ORDER-PARAMETER IN FRUSTRATED ANISOTROPIC HEXAGONAL ANTIFERROMAGNETICS / S. S. APLESNIN // Fiz. Tverd. Tela. - 1992. - Vol. 34, Is. 12. - P. 3691-3694. - Cited References: 7 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

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}
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14.

APLESNIN, S. S.
FORMATION OF FERROMAGNETIC ORDER IN ANISOTROPIC FRUSTRATED ANTIFERROMAGNETS / S. S. APLESNIN // Fiz. Tverd. Tela. - 1992. - Vol. 34, Is. 2. - P. 554-560. - Cited References: 5 . - ISSN 0367-3294

РУБ Physics, Condensed Matter
Рубрики:
COMPETING INTERACTIONS
MAGNETIC-PROPERTIES

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}
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15.

Deich, L. I.
Polarization properties of elastic-waves in anisotropic disordered media / L. I. Deich, V. A. Ignatchenko ; ed.: M Meissner, er, M Meis // Phonon scattering in condensed matter : proceedings : Springer Verlag, 1993. - Vol. 112. - P. 231-232. - (Springer series in solid-state sciences). - Cited References: 0 . - ISBN 0171-1873. - ISBN 3-540-56395-4

РУБ Physics, Condensed Matter

WOS
Доп.точки доступа:
Ignatchenko, V. A.; Игнатченко, Вальтер Алексеевич; Meissner, M \ed.\; Meis, er, M \ed.\; Дейч, Лев Исаакович; International Conference on Phonon Scattering in Condensed Matter(7 ; Aug 03-07, 1992 ; Ithaca, NY)
}
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16.

Aplesnin, S. S.
Modeling a dimer state in CuGeO3 in the two-dimensional anisotropic Heisenberg model with alternated exchange interaction / S. S. Aplesnin // J. Exp. Theor. Phys. - 1997. - Vol. 85, Is. 6. - P. 1196-1203, DOI 10.1134/1.558393. - Cited References: 33 . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
SPIN-PEIERLS TRANSITION
   HIGH MAGNETIC-FIELDS
   COMPOUND CUGEO3
   GROUND-STATE
   SYSTEMS
   NEUTRON
Аннотация: The two-dimensional Heisenberg spin-1/2 model with alternated exchange interaction along the c axis and an anisotropic distribution of the exchange interaction in the lattice, J(b)/J(c)=0.1, is examined. A quantum Monte Carlo method is used to calculate the phase diagrams of the antiferromagnet, the dimer state in a plane, the value of the alternation delta of the exchange interaction, and the anisotropy Delta=1-J(xy)/J(z) of the exchange interaction, Delta similar to delta(0.58(6)). The following characteristics are calculated for Delta=0.25: the dependence of the temperature of the dimer-state-paramagnet transition on the alternation of the exchange interaction, T-c(delta)=0.55(4(delta-0.082(6))(0.50(3)), the singlet-triplet energy gap, and the dependence of the magnetization on the external field for some values of delta. The value of the exchange interaction, J(c)=127 K, the alternation of the exchange interaction, delta=0.11J(c), and the correlation radius along the c axis, xi(c) approximate to 28c, are determined. Finally, it is found that the temperature dependence of the susceptibility and the specific heat are in good agreement with the experimental data. (C) 1997 American Institute of Physics. [S1063-7761(97)01912-4].

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

Доп.точки доступа:
Аплеснин, Сергей Степанович
}
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17.

Aplesnin, S. S.
Quantum spin liquid in the frustrated anisotropic Heisenberg antiferromagnet on a square lattice / S. S. Aplesnin // Phys. Low-Dimens. Struct. - 1997. - Vol. 10. - P. 95-102. - Cited References: 13 . - ISSN 0204-3467

РУБ Physics, Applied + Physics, Condensed Matter

Аннотация: Finite-temperature properties of the frustrated S = 1/2 Heisenberg model with the next-nearest-neighbor exchange (J(2) 0) and anisotropic exchange (Delta

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Доп.точки доступа:
Аплеснин, Сергей Степанович
}
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18.

Aplesnin, S. S.
Influence of quantum fluctuations on the Neel temperature of a dilute two-dimensional anisotropic antiferromagnet / S. S. Aplesnin // Phys. Solid State. - 1997. - Vol. 39, Is. 5. - P. 800-802, DOI 10.1134/1.1130121. - Cited References: 15 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
LATTICE
Аннотация: A quantum Monte Carlo procedure is used to calculate the energy, sublattice magnetization, Neel temperature, and the slopes of the S=[l/T-N(x=0)]dT(N)(x)/dx curves as functions of the hole concentration and the exchange anisotropy Delta=1-J(x,y)/J(z) in the Heisenberg model with anisotropic negative interactions between nearest neighbors in a square lattice with dilution among the lattice sites. The slope diverges in the limit Delta--0:S similar to ln(6.5/Delta). (C) 1997 American Institute of Physics.

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

Доп.точки доступа:
Аплеснин, Сергей Степанович
}
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19.

Martynov, S. N.
Anharmonic states of the one-dimensional anisotropic Heisenberg model with free boundary conditions / S. N. Martynov // Theor. Math. Phys. - 1998. - Vol. 117, Is. 3. - P. 1499-1506, DOI 10.1007/BF02557187. - Cited References: 6 . - ISSN 0040-5779

РУБ Physics, Multidisciplinary + Physics, Mathematical
Рубрики:
STRING HYPOTHESIS
Аннотация: States described by anharmonic functions are shown to exist in the one-dimensional anisotropic Heisenberg model with a finite number of spins 1/2 and free boundary conditions. Several such, states are determined.

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Держатели документа:
Russian Acad Sci, Siberian Branch, Kirenskii Inst Phys, Krasnoyarsk, Russia
ИФ СО РАН

Доп.точки доступа:
Мартынов, Сергей Николаевич
}
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20.

Aplesnin, S. S.
Quantum spin liquid in the 2D anisotropic Heisenberg model with frustrated next nearest neighbor exchange / S. S. Aplesnin // Low Temp. Phys. - 1998. - Vol. 24, Is. 8. - P. 572-577 ; Физика низких температур, DOI 10.1063/1.593639. - Cited References: 25 . - ISSN 1063-777X

РУБ Physics, Applied
Рубрики:
SQUARE-LATTICE ANTIFERROMAGNETS
   VALENCE BOND STATES
   SYSTEMS
   SUPERCONDUCTIVITY
   SYMMETRY
Аннотация: The two-dimensional (2D) Heisenberg model with anisotropic exchange (Delta = 1 - J(x)/J(z)) and with negative next nearest neighbor exchange (J(2)) with S = 1/2 is investigated by using the quantum-mechanical Monte-Carlo method. The energy, magnetic moment at a site, heat capacity, and spin-spin correlation functions are calculated. The stability regions for Neel ordering of spins as well as the strip-phase and gapless quantum spin liquid are determined in the interval Delta/2 less than or equal to J(2)/ J(1)less than or equal to 1/(2 Delta). (C) 1998 American Institute of Physics. [S1063-777X(98)00808-1].

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

Доп.точки доступа:
Аплеснин, Сергей Степанович

}
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