序列Bethe矢量与量子Ernst系统
Sequential Bethe vectors and the quantum Ernst system
摘要：
我们简要回顾了使用Bethe的anesthetics技术来构造递归函数方程的解决方案，出现在一个引导方法的量子恩斯特系统。该结构涉及到具有复杂不均匀性的理性贝特系统的两个特殊极限。首先，我们将两个插入压缩到临界值。这将Bethe系统与不同数量的插入联系起来，并导致了序列Bethe向量的概念。其次，我们研究了当插入尺度参数趋于无穷大时系统的半经典极限。
英文摘要：
We give a brief review on the use of Bethe ansatz techniques to construct solutions of recursive functional equations which emerged in a bootstrap approach to the quantum Ernst system. The construction involves two particular limits of a rational Bethe ansatz system with complex inhomogeneities. First, we pinch two insertions to the critical value. This links Bethe systems with different number of insertions and leads to the concept of sequential Bethe vectors. Second, we study the semiclassical limit of the system in which the scale parameter of the insertions tends to infinity.
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