Magnetic field-induced quasiparticle excitation in Nb3 Sn: Evidence for anisotropic s -wave pairing

R. Kadono; K. H. Satoh; A. Koda; T. Nagata; H. Kawano-Furukawa; J. Suzuki; M. Matsuda; K. Ohishi; W. Higemoto; S. Kuroiwa; H. Takagiwa; J. Akimitsu

doi:10.1103/PhysRevB.74.024513

Magnetic field-induced quasiparticle excitation in Nb3 Sn: Evidence for anisotropic s -wave pairing

R. Kadono, K. H. Satoh, A. Koda, T. Nagata, H. Kawano-Furukawa, J. Suzuki, M. Matsuda, K. Ohishi, W. Higemoto, S. Kuroiwa, H. Takagiwa, J. Akimitsu

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

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.

Original language	English
Article number	024513
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	74
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevB.74.024513
Publication status	Published - 2006
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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Kadono, R., Satoh, K. H., Koda, A., Nagata, T., Kawano-Furukawa, H., Suzuki, J., Matsuda, M., Ohishi, K., Higemoto, W., Kuroiwa, S., Takagiwa, H., & Akimitsu, J. (2006). Magnetic field-induced quasiparticle excitation in Nb3 Sn: Evidence for anisotropic s -wave pairing. Physical Review B - Condensed Matter and Materials Physics, 74(2), [024513]. https://doi.org/10.1103/PhysRevB.74.024513

Magnetic field-induced quasiparticle excitation in Nb3 Sn : Evidence for anisotropic s -wave pairing. / Kadono, R.; Satoh, K. H.; Koda, A.; Nagata, T.; Kawano-Furukawa, H.; Suzuki, J.; Matsuda, M.; Ohishi, K.; Higemoto, W.; Kuroiwa, S.; Takagiwa, H.; Akimitsu, J.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 74, No. 2, 024513, 2006.

Research output: Contribution to journal › Article › peer-review

Kadono, R, Satoh, KH, Koda, A, Nagata, T, Kawano-Furukawa, H, Suzuki, J, Matsuda, M, Ohishi, K, Higemoto, W, Kuroiwa, S, Takagiwa, H & Akimitsu, J 2006, 'Magnetic field-induced quasiparticle excitation in Nb3 Sn: Evidence for anisotropic s -wave pairing', Physical Review B - Condensed Matter and Materials Physics, vol. 74, no. 2, 024513. https://doi.org/10.1103/PhysRevB.74.024513

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abstract = "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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AU - Kadono, R.

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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.

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