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2000-03-28
Two-loop beta functions of the Sine-Gordon model
Janos BalogArpad Hegedus
文献摘要
We recalculate the two-loop beta functions in the two-dimensional Sine-Gordon model in a two-parameter expansion around the asymptotically free point. Our results agree with those of Amit et al., J. Phys. A13 (1980) 585.
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