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Two-band analysis on the upper critical field for superconductor NbS2

  • Hai Huang
  • Yanyan Lu
  • Xia Huang
Regular Article

Abstract

Based on two-band Ginzburg-Landau theory, we study the temperature and angular dependences of upper critical field for superconducting crystal NbS2. All the results fit the experimental data well. We thus conclude that NbS2 is another example of two-gap superconductors. Our calculations also indicate that the larger gap opens in the quasi-two-dimensional Nb-derived bands.

Keywords

Solid State and Materials 

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Copyright information

© EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  1. 1.Department of Mathematics and PhysicsNorth China Electric Power UniversityBeijingP.R. China

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