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arXiv 0808.2489hep-thcond-mat.str-elmath-phmath.MP
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Landau-Lifshitz模型的S-矩阵分解

On S-Matrix factorization of the Landau-Lifshitz model

A. Melikyan, A. Pinzul, V. O. Rivelles, G. Weber

摘要:

我们考虑Landau-Lifshitz模型的三粒子散射S-矩阵,直接计算Feynman图的集合直到二阶。通过对非线性薛定谔模型的类似计算,我们证明了三粒子S矩阵在第一非平凡阶是可因子分解的。

英文摘要:

We consider the three-particle scattering S-matrix for the Landau-Lifshitz model by directly computing the set of the Feynman diagrams up to the second order. We show, following the analogous computations for the non-linear Schrödinger model, that the three-particle S-matrix is factorizable in the first non-trivial order.

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