TY - JOUR
T1 - Magnetic field-induced quasiparticle excitation in Nb3 Sn
T2 - Evidence for anisotropic s -wave pairing
AU - Kadono, R.
AU - Satoh, K. H.
AU - Koda, A.
AU - Nagata, T.
AU - Kawano-Furukawa, H.
AU - Suzuki, J.
AU - Matsuda, M.
AU - Ohishi, K.
AU - Higemoto, W.
AU - Kuroiwa, S.
AU - Takagiwa, H.
AU - Akimitsu, J.
PY - 2006
Y1 - 2006
N2 - The response of vortex state to the magnetic field in Nb3 Sn 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 T. 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 Nb3 Sn and V3 Si.
AB - The response of vortex state to the magnetic field in Nb3 Sn 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 T. 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 Nb3 Sn and V3 Si.
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U2 - 10.1103/PhysRevB.74.024513
DO - 10.1103/PhysRevB.74.024513
M3 - Article
AN - SCOPUS:33746121090
VL - 74
JO - Physical Review B-Condensed Matter
JF - Physical Review B-Condensed Matter
SN - 1098-0121
IS - 2
M1 - 024513
ER -