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  Magnetic order and spin excitations in the Kitaev-Heisenberg model on a honeycomb lattice

Vladimirov, A. A., Ihle, D., & Plakida, N. M. (2016). Magnetic order and spin excitations in the Kitaev-Heisenberg model on a honeycomb lattice. Journal of Experimental and Theoretical Physics - JETP, 122(6), 1060-1069. doi:10.1134/S106377611606008X.

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 Creators:
Vladimirov, A. A.1, Author
Ihle, D.1, Author
Plakida, Nikolay M.2, Author           
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1external, ou_persistent22              
2Max Planck Institute for the Physics of Complex Systems, Max Planck Society, ou_2117288              

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 MPIPKS: Superconductivity and magnetism
 Abstract: We consider the quasi-two-dimensional pseudo-spin-1/2 Kitaev-Heisenberg model proposed for A(2)IrO(3) (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 N,el temperature and temperature dependence of the sublattice magnetization are compared with the experimental data on Na2IrO3.

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 Dates: 2016-07-242016-06
 Publication Status: Issued
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 Identifiers: ISI: 000381196400012
DOI: 10.1134/S106377611606008X
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Title: Journal of Experimental and Theoretical Physics - JETP
  Other : J. Exp. Theor. Phys.
Source Genre: Journal
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Publ. Info: New York, NY : American Institute of Physics
Pages: - Volume / Issue: 122 (6) Sequence Number: - Start / End Page: 1060 - 1069 Identifier: ISSN: 1063-7761
CoNE: https://pure.mpg.de/cone/journals/resource/954926954827