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arXiv 1107.0236hep-th
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模空间坐标与激发态g函数

Moduli space coordinates and excited state g-functions

Gerard Watts

摘要:

我们考虑Virasoro极小模型的边界条件空间,它是由一个由粒子群_{1,3}产生的流集合的合成而形成的。这些最近已被证明是自然落入一个序列,每项有一个坐标的边界参数,但没有全局参数已被提出。在这里,我们调查的想法,特定的体状态与边界状态的重叠给出自然坐标的模空间的边界条件。我们发现这些重叠公式使用已知的热力学贝特Anglesia描述的地面和第一激发态的圆柱体上,并表明,他们给出了一个全球坐标的边界条件的空间,显示它是光滑和紧凑的预期。

英文摘要:

We consider the space of boundary conditions of Virasoro minimal models formed from the composition of a collection of flows generated by ϕ_{1,3}. These have recently been shown to fall naturally into a sequence, each term having a coordinate on it in terms of a boundary parameter, but no global parameter has been proposed. Here we investigate the idea that the overlaps of particular bulk states with the boundary states give natural coordinates on the moduli space of boundary conditions. We find formulae for these overlaps using the known thermodynamic Bethe Ansatz descriptions of the ground and first excited state on the cylinder and show that they give a global coordinate on the space of boundary conditions, showing it is smooth and compact as expected.

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