- Autor(in)
- Sponsor(in)
- Referenz
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- Seitenbereich
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0181 - 0194
- Schlagwort(e)
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<KWD>Superconductivity
Fulde-Ferrell effect
Layered materials
- Zusammenfsg.
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The phase diagram of a layered superconductor in a large parallel magnetic field is calculated. This includes a calculation of the lower critical field beyond which the superconductor is in the FFLO-state and possesses a spatially modulated order parameter and spin polarization. The order parameter, spin polarization, free-energy density, and phase boundaries of this unconventional superconducting phase are evaluated numerically in the complete <I>B - T</I> plane. The analysis suggests that the transition at the lower critical field is of second order, and not of first order, as previously assumed. The order parameter of the FFLO-state merges continuously into the uniform superconducting state.
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- Forschungsartikel