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arXiv 0708.0802hep-thmath-phmath.MP
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从逾渗到对数共形场论

From Percolation to Logarithmic Conformal Field Theory

Pierre Mathieu, David Ridout

摘要:

给出了极小模型M(2,3)的能满足Cardy导出的渗流穿越概率的最小变形。它表明,这导致一致的对数共形场论在c=0。一个简单的配方计算相关联的融合规则。这个理论和其他最近提出的c=0对数共形场论之间的差异被强调。讨论还强调存在不变的对数耦合,概括Gurarie的异常数。

英文摘要:

The smallest deformation of the minimal model M(2,3) that can accommodate Cardy's derivation of the percolation crossing probability is presented. It is shown that this leads to a consistent logarithmic conformal field theory at c=0. A simple recipe for computing the associated fusion rules is given. The differences between this theory and the other recently proposed c=0 logarithmic conformal field theories are underlined. The discussion also emphasises the existence of invariant logarithmic couplings that generalise Gurarie's anomaly number.

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