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Perturbation Theory for Isotropic Landau-Lifschitz Equation Based on Inverse Scattering Transformation

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Abstract

The perturbation theory for the Landau-Lifschitz equation for isotropic chain with correction, which is based on the inverse scattering transform (IST), is developed to treat Landau-Lifschitz equation for a spin chain with axis asymmetry. The time-evolution equation of parameters and a formula for the first-order correction is given by treating the equation with axis symmetry as a perturbation to the isotropic equation.

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Authors and Affiliations

  1. Deparment of Physics, Wuhan University, Wuhan, 430072, P.R.China

    Cun Li, Tian Yan, Hao Cai, Bai-Feng Yang & Nian-Ning Huang

Authors
  1. Cun Li
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  2. Tian Yan
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  3. Hao Cai
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  4. Bai-Feng Yang
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  5. Nian-Ning Huang
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Corresponding author

Correspondence to Bai-Feng Yang.

Additional information

PACS numbers 05.45.Yv, 42.65.-k, 42.50.Md.

Supported by the National Science Foundation of China under Grant NO. 10474076 and No. 10375041.

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Li, C., Yan, T., Cai, H. et al. Perturbation Theory for Isotropic Landau-Lifschitz Equation Based on Inverse Scattering Transformation. Int J Theor Phys 45, 2388–2395 (2006). https://doi.org/10.1007/s10773-006-9208-y

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  • DOI: https://doi.org/10.1007/s10773-006-9208-y

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