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Proposed thermodynamic method to determine the vortex mass in layered superconductors

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Abstract

We describe a simple method to study vortex dynamics that can determine or set an upper limit on the vortex mass. The specific heat of the vortex lattice in layered superconductors has a classical limit of 1 kB per pancake vortex if the vortex mass is zero. If the vortex mass mv is finite, a new Einstein branch of normal modes will appear with a crossover temperature ΘE ∝ mv −1, and the specific heat will saturate at a new classical limit of 2 kB per pancake vortex.

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Authors and Affiliations

  1. Departments of Applied Physics and Physics, Stanford University, 94305, Stanford, CA

    Kathryn A. Moler, Alexander L. Fetter & Aharon Kapitulnik

Authors
  1. Kathryn A. Moler
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  2. Alexander L. Fetter
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  3. Aharon Kapitulnik
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Additional information

This work was supported in part by AFOSR under project F49620-92-C-0004 and by NSF under grant DMR 91-20361. We acknowledge helpful discussions with Shoucheng Zhang and S. R. Patel.

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Moler, K.A., Fetter, A.L. & Kapitulnik, A. Proposed thermodynamic method to determine the vortex mass in layered superconductors. J Low Temp Phys 100, 185–193 (1995). https://doi.org/10.1007/BF00751505

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  • DOI: https://doi.org/10.1007/BF00751505

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