CROITORU, Mihail D.; BUZDIN, Alexandre I.

doi:10.1103/PhysRevB.86.224508

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CROITORU, Mihail D.
Laboratoire Ondes et Matière d'Aquitaine [LOMA]

BUZDIN, Alexandre I.
Laboratoire Ondes et Matière d'Aquitaine [LOMA]
Institut universitaire de France [IUF]

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Physical Review B: Condensed Matter and Materials Physics (1998-2015). 2012, vol. 86, n° 22, p. 224508

American Physical Society

Resumen en inglés

Using the quasi-classical formalism we provide the description of the temperature and field-direction dependence of the in-plane upper critical field in layered superconductors, taking into account the interlayer Josephson coupling and the paramagnetic spin splitting. We generalize the Lawrence-Doniach model for the case of high magnetic fields and show that the re-entrant superconductivity is naturally described by our formalism when neglecting the Pauli pair breaking effect. We demonstrate that in layered superconductors the in-plane anisotropy of the onset of superconductivity exhibits four different\ temperature regimes: from the Ginzburg-Landau type in the vicinity of the critical temperature $T_{c0}$ with anisotropies of coherence lengths, up to the FFLO type induced by the strong interference between the modulation vector and the orbital effect. Our results are in agreement with the experimental measurements of the field-angle dependence of the superconducting onset temperature of the organic compound (TMTSF)2ClO4.< Leer menos

Palabras clave en inglés

Organic superconductors

Multilayers - superlattices - heterostructures

DOI

http://dx.doi.org/10.1103/PhysRevB.86.224508

Proyecto europeo

Superconductivity in quantum-size regime
New Century of Superconductivity: Ideas, Materials, Technologies

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Laboratoire Ondes et Matière d'Aquitaine (LOMA) - UMR 5798