Critical exponents for the two dimensional spin 12 XY model from a seven spin cell real space renormalization group calculation

J. Rogiers and M. Reynaert

Physica A: Statistical Mechanics and its Applications, 1981, vol. 107, issue 2, 431-436

Abstract: In this paper we report on a real space renormalization group calculation for the spin 12 XY model on a triangular lattice using cells of seven spins. We applied a linear transformation and imposed a marginality criterion to find η = 0.26 and v = 2.28. The value of η agrees with the value obtained by Kosterlitz for the planar rotator model (η = 0.25).

Date: 1981
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:107:y:1981:i:2:p:431-436

DOI: 10.1016/0378-4371(81)90100-X

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