Introduction to the Bethe ansatz I

Introduction to the Bethe ansatz I
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DOI:
10.1063/1.4822511
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发表时间:
1998-09
期刊:
Computers in Physics
影响因子:
--
通讯作者:
M. Karbach;G. Muller
M. Karbach;G. Muller
中科院分区:
其他
文献类型:
--
作者:
M. Karbach;G. Muller

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在初级层面上介绍了一维 s=1/2 海森堡铁磁体的 Bethe ansatz。该演示非常密切地遵循贝特的原创作品。给出了有限链和无限链的所有二磁振子散射态和二磁振子束缚态的详细描述和完整分类。本文旨在作为研究生入门教程。它包括 10 个需要进一步研究的问题。
The Bethe ansatz for the one-dimensional s=1/2 Heisenberg ferromagnet is introduced at an elementary level. The presentation follows Bethe's original work very closely. A detailed description and a complete classification of all two-magnon scattering states and two-magnon bound states are given for finite and infinite chains. The paper is designed as a tutorial for beginning graduate students. It includes 10 problems for further study.