2006/05/30 by R. Kadono, K. H. Satoh, Kohki Satoh +18
Engineering · Physics and Astronomy · #Condensed matter physics #Excitation #Physics #Physics of Superconductivity and Magnetism #Quantum mechanics #Quasiparticle #Superconducting Materials and Applications #Superconductivity in MgB2 and Alloys #cond-mat.mtrl-sci #cond-mat.supr-con
paper · pdf · doi:10.1103/physrevb.74.024513
published as Phys. Rev. B 74, 024513 (2006). · 5 pages, 4 figures, to appear in Phys. Rev. B
arxiv created 2006/05/30 · openalex publication_date 2006/07/19 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
The response of vortex state to the magnetic field in Nb3Sn is probed using muon spin rotation and small-angle neutron scattering. A transformation of vortex structure between hexagonal and squared lattice is observed over a relatively low field range of 2--3\phantom\rule0.3em0exT. The gradual increase of the magnetic penetration depth with increasing field provides microscopic evidence for anisotropic (or multigapped) s-wave pairing suggested by the Raman scattering experiment. This result renders need for careful examination on the difference of electronic properties between Nb3Sn and V3Si.