Field Evolution of the Fulde--Ferrell--Larkin--Ovchinnikov State in a Superconductor with Strong Pauli Effects
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概要
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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 CeCoIn5 are mentioned.
- 2011-12-15
著者
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Machida Kazushige
Department Of Physics Kyoto University
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Suzuki Kenta
Department Of Animal Sciences Teikyo University Of Science And Technology
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Ichioka Masanori
Department Of Physics Kyoto University
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Tsutsumi Yasumasa
Department Of Neuropsychiatry Kurume University School Of Medicine
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NAKAI Noriyuki
Nanoscience and Nanotechnology Research Center (N2RC), Osaka Prefecture University, Sakai 599-8570, Japan
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