Physical Properties in Flux Line Lattice State in MgB 2 Probed by μsR

Kazuki Ohishi, Takahiro Muranaka, Jun Akimitsu, Akihiro Koda, Wataru Higemoto, Ryosuke Kadono

Research output: Contribution to journalArticlepeer-review


We have performed muon spin rotation (μSR) measurements to deduce the magnetic penetration depth λbA in the flux line lattice state of M gB2 microscopically. It is observed that λA shows a quadratic temperature dependence which is predicted for the case of superconducting gap with line nodes. Furthermore, it clearly exhibits a strong field dependence, where λ increases almost linearly with H. These results strongly suggest that the superconducting order parameter in M gB2 is highly anisotropic.

Original languageEnglish
Pages (from-to)335-337
Number of pages3
Journaljournal of the physical society of japan
Issue numberSUPPL.
Publication statusPublished - 2002
Externally publishedYes


  • MB
  • Magnetic penetration depth
  • Muon spin rotation

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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