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

Authors :
Eberhard K. Riedel
Sara A. Solla
Source :
Physical Review B. 23:6008-6012
Publication Year :
1981
Publisher :
American Physical Society (APS), 1981.

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.

Subjects

Subjects :
Physics
Superfluidity
Exact results
Specific heat
High Energy Physics::Lattice
Scheme (mathematics)
Quantum mechanics
Planar model
Excitation
Vortex
Interpolation

Details

ISSN :
01631829
Volume :
23
Database :
OpenAIRE
Journal :
Physical Review B
Accession number :
edsair.doi...........3764da12aa290a2f8ad663820de018a4
Full Text :
https://doi.org/10.1103/physrevb.23.6008
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