Theory of tunneling spectroscopy in the Larkin-Ovchinnikov state

Yukio Tanaka, Yasuhiro Asano, Masanori Ichioka, Satoshi Kashiwaya

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

We present a theory of tunneling spectroscopy for normal metal/Larkin-Ovchinnikov state junctions in which the spatial periodic modulation in the pair potential amplitude is taken into account. The tunneling spectra show the characteristic line shapes reflecting the minigap structures under the periodic pair potentials depending on the boundary condition of the pair potentials at the junction interface. These features are qualitatively different from the tunneling spectra of the Fulde-Ferrell state. We propose an experimental setup which identifies the superconducting state of CeCoIn5.

Original languageEnglish
Article number077001
JournalPhysical Review Letters
Volume98
Issue number7
DOIs
Publication statusPublished - Feb 13 2007

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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