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 journalConference articlepeer-review


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 languageEnglish
Pages (from-to)2941-2946
Number of pages6
JournalPhysica Status Solidi (C) Current Topics in Solid State Physics
Issue number9
Publication statusPublished - 2006
Externally publishedYes
Event4th International Conference on Magnetic and Superconducting Materials, MSM'05 - Agadir, Morocco
Duration: Sept 5 2006Sept 8 2006

ASJC Scopus subject areas

  • Condensed Matter Physics


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