paper

High Precision Verification of the Kosterlitz Thouless Scenario

arXiv:hep-lat/9207019 · doi:10.1016/0920-5632(92)90345-S

Abstract

We verify the Kosterlitz Thouless scenario for three different SOS (solid-on-solid) models, including the dual transforms of XY-models with Villain and with cosine action. The method is based on a matching of the renormalization group (RG) flow of the candidate models with the flow of a bona fide KT model, the exactly solvable BCSOS model. We obtain high precision estimates for the critical couplings and other non-universal quantities.

6 pages, DESY 92-010

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