Field evolution of the Fulde-Ferrell-Larkin-Ovchinnikov state in a superconductor with strong pauli effects

Kenta M. Suzuki; Yasumasa Tsutsumi; Noriyuki Nakai; Masanori Ichioka; Kazushige Machida

doi:10.1143/JPSJ.80.123706

Field evolution of the Fulde-Ferrell-Larkin-Ovchinnikov state in a superconductor with strong pauli effects

Kenta M. Suzuki, Yasumasa Tsutsumi, Noriyuki Nakai, Masanori Ichioka, Kazushige Machida

Research Institute for Interdisciplinary Science

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

10 Citations (Scopus)

Abstract

The Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) phase in the vortex lattice state is quantitatively studied using the self-consistent Eilenberger theory in three-dimensional (3D) space. We estimate free energy to determine the FFLO phase diagram in the H-T plane and stable FFLO wave number in the isotropic system with the 3D Fermi sphere and s-wave pairing. To facilitate the experimental identification of the FFLO state, we investigate the field evolution of NMR spectra and flux line lattice form factors obtained in neutron scattering in the FFLO vortex states. Possible applications of our results to experimental data on CeCoIn ₅ are mentioned.

Original language	English
Article number	123706
Journal	journal of the physical society of japan
Volume	80
Issue number	12
DOIs	https://doi.org/10.1143/JPSJ.80.123706
Publication status	Published - Dec 2011

Keywords

Fulde-Ferrell-Larkin-Ovchinnikov state
Heavy-fermion superconductors
Quasi-classical Eilenberger theory
Vortex state

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1143/JPSJ.80.123706

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title = "Field evolution of the Fulde-Ferrell-Larkin-Ovchinnikov state in a superconductor with strong pauli effects",

abstract = "The Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) phase in the vortex lattice state is quantitatively studied using the self-consistent Eilenberger theory in three-dimensional (3D) space. We estimate free energy to determine the FFLO phase diagram in the H-T plane and stable FFLO wave number in the isotropic system with the 3D Fermi sphere and s-wave pairing. To facilitate the experimental identification of the FFLO state, we investigate the field evolution of NMR spectra and flux line lattice form factors obtained in neutron scattering in the FFLO vortex states. Possible applications of our results to experimental data on CeCoIn 5 are mentioned.",

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AU - Nakai, Noriyuki

AU - Ichioka, Masanori

AU - Machida, Kazushige

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