Crossover from Vortex States to the Fulde-Ferrell-Larkin-Ovchinnikov State in Two-Dimensional s-and d-Wave Superconductors
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概要
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The effects of a tilted magnetic field on two-dinaensional type-II superconductors of .5- and d-wave pairing are studied. This includes a study of the crossover from vortex states to the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state when the direction of' the magnetic field is changedfrona perpendicular to the condtucting plane to a parallel orientation. The FFLO state is obtainedin the limit of a parallel magnetic field, and vortex phases with a large quantum number n >0(a higher Landau level) appear for tilted naagnetic fields. At fixed tilt angle, the critical fieldexhibits a characteristic gtemperature dependence dtze to the change of the discrete quantunanumber. The relevance of the restrlts for the observation and the identification of the FFLOstate in the organic and high-# superconductors is discussed.
- 社団法人日本物理学会の論文
- 1997-11-15
著者
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Shimahara Hiroshi
Faculty Of Integrated Arts And Sciences Hiroshima University
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Dierk RAINER
Physikalisches Institut,Universitat Bayreuth
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Rainer Dierk
Physikalisches Institut Der Universitat Bayreuth
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Dierk Rainer
Physikalisches Institut Universitat Bayreuth
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Shimahara Hiroshi
Faculty of Integrated Arts and Sciences,Hiroshima University
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- Order Parameter Mixing Effect in the Fulde-Ferrell State
- Crossover from Vortex States to the Fulde-Ferrell-Larkin-Ovchinnikov State in Two-Dimensional s-and d-Wave Superconductors
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