Premium
Reentrant superconductivity in the strong coupling limit
Author(s) -
Gorczyca A.,
Mierzejewski M.
Publication year - 2007
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.200674640
Subject(s) - reentrancy , superconductivity , limit (mathematics) , condensed matter physics , coupling (piping) , physics , field (mathematics) , magnetic field , quantum mechanics , mathematics , materials science , mathematical analysis , pure mathematics , metallurgy
The usual approaches to the reentrant superconductivity are based on the mean field approximation. Here, we investigate this effect carrying out exact diagonalization of finite systems. We have found a nonmonotonic field dependence of the pair susceptibility both in the weak and strong coupling limit. This result strongly supports the possible onset of the reentrant superconductivity in the presence of strong magnetic field. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)