Microscopic evidence of the FFLO state in CeCoIn5 probed by NMR study

K. Kumagai; K. Kakuyanagi; M. Saitoh; Y. Matsuda; S. Takashima; M. Nohara; H. Takagi

doi:10.1002/pssc.200567007

Microscopic evidence of the FFLO state in CeCoIn₅ probed by NMR study

K. Kumagai, K. Kakuyanagi, M. Saitoh, Y. Matsuda, S. Takashima, M. Nohara, H. Takagi

Research output: Contribution to journal › Conference article › peer-review

Abstract

An anomalous temperature dependence of ¹¹⁵ In-NMR spectrum is observed in the newly-discovered high field and low temperature superconducting phase of CeCoIn₅. The anomalies near the upper limit of Hc2 are attributed to spatially-distributed local density of states of quasiparticles. From a simulation with the phenomenological model for the sinusoidally-modulated superconducting order parameter, the present NMR study provides a microscopic evidence that the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state is realized at the high field phase in CeCoIn₅

Original language	English
Pages (from-to)	2941-2946
Number of pages	6
Journal	Physica Status Solidi (C) Current Topics in Solid State Physics
Volume	3
Issue number	9
DOIs	https://doi.org/10.1002/pssc.200567007
Publication status	Published - Oct 31 2006
Externally published	Yes
Event	4th International Conference on Magnetic and Superconducting Materials, MSM'05 - Agadir, Morocco Duration: Sep 5 2006 → Sep 8 2006

ASJC Scopus subject areas

Condensed Matter Physics

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10.1002/pssc.200567007

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title = "Microscopic evidence of the FFLO state in CeCoIn5 probed by NMR study",

abstract = "An anomalous temperature dependence of 115 In-NMR spectrum is observed in the newly-discovered high field and low temperature superconducting phase of CeCoIn5. The anomalies near the upper limit of Hc2 are attributed to spatially-distributed local density of states of quasiparticles. From a simulation with the phenomenological model for the sinusoidally-modulated superconducting order parameter, the present NMR study provides a microscopic evidence that the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state is realized at the high field phase in CeCoIn5",

author = "K. Kumagai and K. Kakuyanagi and M. Saitoh and Y. Matsuda and S. Takashima and M. Nohara and H. Takagi",

year = "2006",

month = oct,

day = "31",

doi = "10.1002/pssc.200567007",

language = "English",

volume = "3",

pages = "2941--2946",

journal = "Physica Status Solidi C: Conferences",

issn = "1862-6351",

publisher = "Wiley-VCH Verlag",

number = "9",

note = "4th International Conference on Magnetic and Superconducting Materials, MSM'05 ; Conference date: 05-09-2006 Through 08-09-2006",

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T1 - Microscopic evidence of the FFLO state in CeCoIn5 probed by NMR study

AU - Kumagai, K.

AU - Kakuyanagi, K.

AU - Saitoh, M.

AU - Matsuda, Y.

AU - Takashima, S.

AU - Nohara, M.

AU - Takagi, H.

PY - 2006/10/31

Y1 - 2006/10/31

N2 - An anomalous temperature dependence of 115 In-NMR spectrum is observed in the newly-discovered high field and low temperature superconducting phase of CeCoIn5. The anomalies near the upper limit of Hc2 are attributed to spatially-distributed local density of states of quasiparticles. From a simulation with the phenomenological model for the sinusoidally-modulated superconducting order parameter, the present NMR study provides a microscopic evidence that the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state is realized at the high field phase in CeCoIn5

AB - An anomalous temperature dependence of 115 In-NMR spectrum is observed in the newly-discovered high field and low temperature superconducting phase of CeCoIn5. The anomalies near the upper limit of Hc2 are attributed to spatially-distributed local density of states of quasiparticles. From a simulation with the phenomenological model for the sinusoidally-modulated superconducting order parameter, the present NMR study provides a microscopic evidence that the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state is realized at the high field phase in CeCoIn5

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DO - 10.1002/pssc.200567007

M3 - Conference article

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JO - Physica Status Solidi C: Conferences

JF - Physica Status Solidi C: Conferences

SN - 1862-6351

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T2 - 4th International Conference on Magnetic and Superconducting Materials, MSM'05

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