Flux Flow Resistivity in Two-Gap Superconductor

• Goryo Jun

  Department of Physics and Mathematics, Aoyama Gakuin University

• Matsukawa Hiroshi

  Department of Physics and Mathematics, Aoyama Gakuin University

Abstract

We investigate the flux flow state in a two-gap superconductor in which two s-wave gaps with different amplitudes exist on two separate Fermi surfaces. The flux flow resistivity is obtained on the basis of the Bardeen–Stephen relation and the result agrees well with the anomalous field dependence of the flow resistivity recently observed in the two-gap superconductor MgB₂. Some typical properties of the vortex in this system are also discussed.

Journal

• Journal of the Physical Society of Japan

  Journal of the Physical Society of Japan 74 (5), 1394-1396, 2005

  THE PHYSICAL SOCIETY OF JAPAN

Keywords

• MgB<SUB>2</SUB>
• two-gap structure
• flux flow
• extension of Bardeen–Stephen relation

Details

• CRID: 1390001204187289984
• NII Article ID: 210000105422
• NII Article ID: 110001979543
• NII Article ID: 130004539205
• NII Book ID: AA00704814
• DOI: 10.1143/jpsj.74.1394
• BIBCODE: 2005JPSJ...74.1394G
• ISSN: 13474073
• ISSN: 00319015
• NDL BIB ID: 7310583
• Web Site: http://id.ndl.go.jp/bib/7310583
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I7310583
• Web Site: http://journals.jps.jp/doi/pdf/10.1143/JPSJ.74.1394
• Text Lang: en
• Data Source:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed