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Martynov, S. N.
Ground state of an antiferromagnet with uniform antisymmetric exchange in a magnetic field / S. N. Martynov, V. I. Tugarinov // JETP Letters. - 2010. - Vol. 92, Is. 2. - P. 115-119, DOI 10.1134/S0021364010140092. - Cited References: 12 . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
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Аннотация: A system of two nonlinear differential equations for sublattice angles is proposed to describe the spin orientation distribution in a planar antiferromagnet with uniform antisymmetric exchange in a magnetic field. This system involves the initial symmetry of the problem and is reduced to a single delay differential equation. The solutions of this system are parameterized by the initial condition imposed on the angle of one sublattice at the hyperbolic singular point of the phase space. The numerical analysis of the stability boundary of soliton solutions demonstrates that the transition to the commensurate phase takes place outside the region where the stochastic solutions appear and is accompanied by the magnetization jump Delta m similar to 10(-1) m.

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Держатели документа:
[Martynov, S. N.
Tugarinov, V. I.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Tugarinov, V. I.; Тугаринов, Василий Иванович; Мартынов, Сергей Николаевич
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Zamkova, N. G.
Monte-Carlo simulations of the phase-transitions in the RB2ZNCL4 crystal / N. G. Zamkova, V. I. Zinenko // Ferroelectr. Lett. Sect. - 1994. - Vol. 18, Is. 1-2. - P. 1-11, DOI 10.1080/07315179408203379. - Cited References: 9 . - ISSN 0731-5171

РУБ Physics, Condensed Matter
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Аннотация: The model of the order- disorder phase transitions in Rb3ZnCl4 is studied. In this model BX(4) group has a four equlibrium orientations in a disordered hexagonal phase. The constants of the interaction between ordering BX(4) groups are calculated in the framework of the electrostatic model. It is shown that these constants have a competitive nature. The Monte-Carlo method is applied to study the successive phase transitions hexagonal double right arrow orthorombic double right arrow incommensurate double right arrow commensurate ferroelectric phases.

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Доп.точки доступа:
Zinenko, V. I.; Зиненко, Виктор Иванович; Замкова, Наталья Геннадьевна
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NMR investigation of the quadrupole interaction and chemical-shift of CS-133 in CS2HGBR4 crystal / A. A. Boguslavskii [et al.] // Phys. Status Solidi B. - 1990. - Vol. 161, Is. 1. - P. K49-K53, DOI 10.1002/pssb.2221610155. - Cited References: 6 . - ISSN 0370-1972

РУБ Physics, Condensed Matter
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RB2ZNCL4

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Держатели документа:
LV KIRENSKY PHYS INST,KRASNOYARSK,USSR
KRASNOYARSK AGR RES INST,KRASNOYARSK,USSR
NS KURNAKOV GEN & INORGAN CHEM INST,MOSCOW,USSR
ИФ СО РАН

Доп.точки доступа:
Boguslavskii, A. A.; Ivanov, Y. N.; Иванов, Юрий Николаевич; Krieger, A. I.; Moskalev, A. K.; Pakhomov, V. I.; Lotfullin, R. S.
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