Quantum Landau-Lifshitz-Bloch equation and its comparison with the classical case

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2014
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Nieves, Pablo
Serantes, David
Chubykalo-Fesenko, Oksana
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Physical Review B. 2014, 90(10), 104428. ISSN 0163-1829. eISSN 1095-3795. Available under: doi: 10.1103/PhysRevB.90.104428
Zusammenfassung

The detailed derivation of the quantum Landau-Lifshitz-Bloch (qLLB) equation for simple spin-flip scattering mechanisms based on spin-phonon and spin-electron interactions is presented and the approximations are discussed. The qLLB equation is written in a form suitable for comparison with its classical counterpart. The temperature dependence of the macroscopic relaxation rates is discussed for both mechanisms. It is demonstrated that the magnetization dynamics is slower in the quantum case than in the classical one.

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ISO 690NIEVES, Pablo, David SERANTES, Unai ATXITIA, Oksana CHUBYKALO-FESENKO, 2014. Quantum Landau-Lifshitz-Bloch equation and its comparison with the classical case. In: Physical Review B. 2014, 90(10), 104428. ISSN 0163-1829. eISSN 1095-3795. Available under: doi: 10.1103/PhysRevB.90.104428
BibTex
@article{Nieves2014Quant-30470,
  year={2014},
  doi={10.1103/PhysRevB.90.104428},
  title={Quantum Landau-Lifshitz-Bloch equation and its comparison with the classical case},
  number={10},
  volume={90},
  issn={0163-1829},
  journal={Physical Review B},
  author={Nieves, Pablo and Serantes, David and Atxitia, Unai and Chubykalo-Fesenko, Oksana},
  note={Article Number: 104428}
}
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