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Heat capacity of a current carrying superconductor
Affiliation:1. Condensed Matter Physics, California Institute of Technology, Pasadena, CA 91125, USA;2. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA;1. National Institute for Materials Science, Ibaraki 305-0003, Japan;2. Department of Electronic-Mechanical Engineering, National Institute of Technology, Oshima College, Yamaguchi 742-2193, Japan;1. State Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China;2. University of Chinese Academy of Sciences, Beijing 100049, China;1. Key Laboratory of Cryogenic Science and Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China;2. University of Chinese Academy of Sciences, Beijing 100049, China;3. Songshan Lake Materials Laboratory, Dongguan 523808, China
Abstract:We present an analysis of the heat capacity of a superconductor carrying a constant applied electric current. We find that the heat capacity diverges with an exponent of 0.5 at a depressed transition temperature. This result is similar to a recent calculation of the heat capacity of superfluid helium under an applied heat current.
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