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arXiv 1002.3712hep-th
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超群上的共形流代数及其在谱和可积性中的应用

The conformal current algebra on supergroups with applications to the spectrum and integrability

Raphael Benichou, Jan Troost

摘要:

本文计算了零Killing型超群上具有任意Wess-Zumino项的主手征模型的左流和右流代数。我们为当前代数定义匹配Wess-Zumino-Witten点处的仿射原色的原色域。Maurer-Cartan方程和电流守恒严格约束了电流-电流和电流-准算子乘积展开。理论的希尔伯特空间是通过电流作用于初级场而产生的。我们计算这些状态的一个子集的大半径限制的共形尺寸。目前的代数是一致的量子可积性,这些模型在几个订单微扰理论。

英文摘要:

We compute the algebra of left and right currents for a principal chiral model with arbitrary Wess-Zumino term on supergroups with zero Killing form. We define primary fields for the current algebra that match the affine primaries at the Wess-Zumino-Witten points. The Maurer-Cartan equation together with current conservation tightly constrain the current-current and current-primary operator product expansions. The Hilbert space of the theory is generated by acting with the currents on primary fields. We compute the conformal dimensions of a subset of these states in the large radius limit. The current algebra is shown to be consistent with the quantum integrability of these models to several orders in perturbation theory.

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