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arXiv 1107.1928hep-th
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关于边界超对称sine-Gordon模型NLIE的IR极限的注记

A note on the IR limit of the NLIEs of boundary supersymmetric sine-Gordon model

Rajan Murgan

摘要:

我们考虑边界超对称sine-Gordon(BSSG)模型的非线性积分方程(NLIE)的红外(IR)极限,该非线性积分方程(NLIE)是由具有一般可积边界项的非均匀开自旋-1XXZ量子自旋链的NLIE得到的,其边界参数的值满足一定的约束.特别地,我们计算边界S矩阵,并确定BSSG参数的“晶格- IR”关系。

英文摘要:

We consider the infrared (IR) limit of the nonlinear integral equations (NLIEs) for the boundary supersymmetric sine-Gordon (BSSG) model, previously obtained from the NLIEs for the inhomogeneous open spin-1 XXZ quantum spin chain with general integrable boundary terms, for values of the boundary parameters which satisfy a certain constraint. In particular, we compute the boundary S matrix and determine the "lattice - IR" relation for the BSSG parameters.

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