Vortex excitations and specific heat of the planar model in two dimensions

Sara A. Solla and Eberhard K. Riedel
Phys. Rev. B 23, 6008 – Published 1 June 1981
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Abstract

The density of vortex excitations and their contribution to the specific heat are discussed for the Villain planar model. Exact results are derived for the low- and high-temperature limits, and a renormalization-group interpolation scheme is developed for intermediate temperatures.

  • Received 3 November 1980

DOI:https://doi.org/10.1103/PhysRevB.23.6008

©1981 American Physical Society

Authors & Affiliations

Sara A. Solla and Eberhard K. Riedel

  • Department of Physics, University of Washington, Seattle, Washington 98195

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Issue

Vol. 23, Iss. 11 — 1 June 1981

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