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arXiv 0904.3689hep-th
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sine-Gordon模型的泛函重整化群方法

Functional renormalization group approach to the sine-Gordon model

S. Nagy, I. Nandori, J. Polonyi, K. Sailer

摘要:

在泛函重整化群方法的框架下,通过引入波函数重整化常数,给出了二维sine-Gordon模型的重整化群流. Kosterlitz-Berrzinski型相结构被恢复为全局重整化群流的两个竞争红外吸引区之间的插值标度律。

英文摘要:

The renormalization group flow is presented for the two-dimensional sine-Gordon model within the framework of the functional renormalization group method by including the wave-function renormalization constant. The Kosterlitz-Thouless-Berezinski type phase structure is recovered as the interpolating scaling law between two competing IR attractive area of the global renormalization group flow.

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