Multiple superconducting phases in heavy fermion superconductors

Y. Matsuda; K. Izawa; T. Watanabe; Y. Kasahara; Y. Nakajima; T. Sakakibara; C. J. Van Der Beek; M. Nohara; T. Hanaguri; H. Takagi; J. Goryo; K. Maki; P. Thalmeier; S. Osaki; H. Sugawara; H. Sato; H. Shishido; R. Settai; Y. Onuki

doi:10.1016/j.jpcs.2005.05.012

Multiple superconducting phases in heavy fermion superconductors

Y. Matsuda, K. Izawa, T. Watanabe, Y. Kasahara, Y. Nakajima, T. Sakakibara, C. J. Van Der Beek, M. Nohara, T. Hanaguri, H. Takagi, J. Goryo, K. Maki, P. Thalmeier, S. Osaki, H. Sugawara, H. Sato, H. Shishido, R. Settai, Y. Onuki

Research output: Contribution to journal › Article

2 Citations (Scopus)

Abstract

We show that in recently discovered heavy fermion superconductors, quasi two-dimensional CeCoIn₅ and skutterudite PrOs₄Sb ₁₂, multiple superconducting phases with different symmetries manifest themselves below T_c. The ultrasound velocity measurements revealed that in CeCoIn₅ the Fulde-Ferrel-Larkin-Ovchinikov phase, in which the order parameter is spatially modulated and has planar nodes aligned perpendicular to the vortices, appears at low temperature and high field. The angle resolved magnetothermal transport measurements revealed that in PrOs ₄Sb₁₂ a novel change in the symmetry of the superconducting gap function occurs deep inside the superconducting state. These results open up a new realm for the study of the superconductivity with multiple phases.

Original language	English
Pages (from-to)	1365-1369
Number of pages	5
Journal	Journal of Physics and Chemistry of Solids
Volume	66
Issue number	8-9
DOIs	https://doi.org/10.1016/j.jpcs.2005.05.012
Publication status	Published - Aug 1 2005
Externally published	Yes

Keywords

D. Nuclear magnetic resonance

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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10.1016/j.jpcs.2005.05.012

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Matsuda, Y., Izawa, K., Watanabe, T., Kasahara, Y., Nakajima, Y., Sakakibara, T., Van Der Beek, C. J., Nohara, M., Hanaguri, T., Takagi, H., Goryo, J., Maki, K., Thalmeier, P., Osaki, S., Sugawara, H., Sato, H., Shishido, H., Settai, R., & Onuki, Y. (2005). Multiple superconducting phases in heavy fermion superconductors. Journal of Physics and Chemistry of Solids, 66(8-9), 1365-1369. https://doi.org/10.1016/j.jpcs.2005.05.012

Multiple superconducting phases in heavy fermion superconductors. / Matsuda, Y.; Izawa, K.; Watanabe, T.; Kasahara, Y.; Nakajima, Y.; Sakakibara, T.; Van Der Beek, C. J.; Nohara, M.; Hanaguri, T.; Takagi, H.; Goryo, J.; Maki, K.; Thalmeier, P.; Osaki, S.; Sugawara, H.; Sato, H.; Shishido, H.; Settai, R.; Onuki, Y.

In: Journal of Physics and Chemistry of Solids, Vol. 66, No. 8-9, 01.08.2005, p. 1365-1369.

Research output: Contribution to journal › Article

Matsuda, Y, Izawa, K, Watanabe, T, Kasahara, Y, Nakajima, Y, Sakakibara, T, Van Der Beek, CJ, Nohara, M, Hanaguri, T, Takagi, H, Goryo, J, Maki, K, Thalmeier, P, Osaki, S, Sugawara, H, Sato, H, Shishido, H, Settai, R & Onuki, Y 2005, 'Multiple superconducting phases in heavy fermion superconductors', Journal of Physics and Chemistry of Solids, vol. 66, no. 8-9, pp. 1365-1369. https://doi.org/10.1016/j.jpcs.2005.05.012

Matsuda, Y. ; Izawa, K. ; Watanabe, T. ; Kasahara, Y. ; Nakajima, Y. ; Sakakibara, T. ; Van Der Beek, C. J. ; Nohara, M. ; Hanaguri, T. ; Takagi, H. ; Goryo, J. ; Maki, K. ; Thalmeier, P. ; Osaki, S. ; Sugawara, H. ; Sato, H. ; Shishido, H. ; Settai, R. ; Onuki, Y. / Multiple superconducting phases in heavy fermion superconductors. In: Journal of Physics and Chemistry of Solids. 2005 ; Vol. 66, No. 8-9. pp. 1365-1369.

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title = "Multiple superconducting phases in heavy fermion superconductors",

abstract = "We show that in recently discovered heavy fermion superconductors, quasi two-dimensional CeCoIn5 and skutterudite PrOs4Sb 12, multiple superconducting phases with different symmetries manifest themselves below Tc. The ultrasound velocity measurements revealed that in CeCoIn5 the Fulde-Ferrel-Larkin-Ovchinikov phase, in which the order parameter is spatially modulated and has planar nodes aligned perpendicular to the vortices, appears at low temperature and high field. The angle resolved magnetothermal transport measurements revealed that in PrOs 4Sb12 a novel change in the symmetry of the superconducting gap function occurs deep inside the superconducting state. These results open up a new realm for the study of the superconductivity with multiple phases.",

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author = "Y. Matsuda and K. Izawa and T. Watanabe and Y. Kasahara and Y. Nakajima and T. Sakakibara and {Van Der Beek}, {C. J.} and M. Nohara and T. Hanaguri and H. Takagi and J. Goryo and K. Maki and P. Thalmeier and S. Osaki and H. Sugawara and H. Sato and H. Shishido and R. Settai and Y. Onuki",

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AU - Matsuda, Y.

AU - Izawa, K.

AU - Watanabe, T.

AU - Kasahara, Y.

AU - Nakajima, Y.

AU - Sakakibara, T.

AU - Van Der Beek, C. J.

AU - Nohara, M.

AU - Hanaguri, T.

AU - Takagi, H.

AU - Goryo, J.

AU - Maki, K.

AU - Thalmeier, P.

AU - Osaki, S.

AU - Sugawara, H.

AU - Sato, H.

AU - Shishido, H.

AU - Settai, R.

AU - Onuki, Y.

PY - 2005/8/1

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AB - We show that in recently discovered heavy fermion superconductors, quasi two-dimensional CeCoIn5 and skutterudite PrOs4Sb 12, multiple superconducting phases with different symmetries manifest themselves below Tc. The ultrasound velocity measurements revealed that in CeCoIn5 the Fulde-Ferrel-Larkin-Ovchinikov phase, in which the order parameter is spatially modulated and has planar nodes aligned perpendicular to the vortices, appears at low temperature and high field. The angle resolved magnetothermal transport measurements revealed that in PrOs 4Sb12 a novel change in the symmetry of the superconducting gap function occurs deep inside the superconducting state. These results open up a new realm for the study of the superconductivity with multiple phases.

KW - D. Nuclear magnetic resonance

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