Magnetic-breakdown oscillations of the thermoelectric field in layered conductors |
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| Authors: | V. G. Peschanskii O. Galbova R. Hasan |
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| Affiliation: | 1.Karazin Kharkov National University,Kharkov,Ukraine;2.Verkin Institute for Low-Temperature Physics and Engineering,National Academy of Sciences of Ukraine,Kharkov,Ukraine;3.St. Cyril and Methodium University,Skopie,Republic of Macedonia;4.Physics Department,Birzeit University,Birzeit, West Bank,Palestine |
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| Abstract: | We consider the quasi-two-dimensional pseudo-spin-1/2 Kitaev–Heisenberg model proposed for A2IrO3 (A = Li, Na) compounds. The spin-wave excitation spectrum, the sublattice magnetization, and the transition temperatures are calculated in the random phase approximation for four different ordered phases observed in the parameter space of the model: antiferromagnetic, stripe, ferromagnetic, and zigzag phases. The Néel temperature and temperature dependence of the sublattice magnetization are compared with the experimental data on Na2IrO3. |
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