Effect of Vortex-Antivortex Fluctuations on the Heat Capacity of a Type-II Superconducting Film
Yu. N. Ovchinnikov, A. A. Varlamov
DOI 10.1103/PhysRevLett.94.107007 · Physical Review Letters
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Abstract
The small size vortex-antivortex pairs proliferation in a type-II superconducting film is considered below Tc. The corresponding contribution to the free energy is calculated. It is shown that these fluctuations give the main temperature dependent contribution to the heat capacity of the superconducting film in the sufficiently large interval of temperatures below the transition point.
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