Phys. Rev. Lett. 102, 241603 (2009) [4 pages]Functional Renormalization Group Approach to the Sine-Gordon ModelReceived 24 April 2009; published 19 June 2009 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. © 2009 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.102.241603
DOI:
10.1103/PhysRevLett.102.241603
PACS:
11.10.Gh, 05.10.Cc, 11.10.Hi, 11.10.Kk
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