Phys. Rev. B 33, 4692 (1986) - Vortex contribution to the specific heat in the two-dimensional XY model

Vortex contribution to the specific heat in the two-dimensional XY model

S. Ami and H. Kleinert

Phys. Rev. B 33, 4692 – Published 1 April 1986

Abstract

We study the properties of topological excitations in the two-dimensional XY model by performing a loop expansion on the duality-transformed version of the model. The results for internal energy and heat capacity are in good agreement with recent Monte Carlo data.

Received 1 October 1985

DOI:https://doi.org/10.1103/PhysRevB.33.4692

©1986 American Physical Society

Authors & Affiliations

Institut für Theorie der Elementarteilchen, Freie Universitat Berlin, Arnimallee 14, D-1000 Berlin 33, Germany

Department of Physics, University of California, San Diego, La Jolla, California 92093

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Issue

Vol. 33, Iss. 7 — 1 April 1986

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