Paramagnetic intrinsic Meissner effect in a bulk

Research output: Contribution to journalArticle

Abstract

We calculate the free energy of a quasi-two-dimensional (Q2D) superconductor with ξ < d in a parallel magnetic field, where ξ is a perpendicular to the conducting layer coherence length and d is the interlayer distance. It is shown to be different from that in the famous Lawrence-Doniach model. In particular, at high enough magnetic fields, the Meissner currents are found to create an unexpected paramagnetic moment due to the shrinking of the Cooper pairs "sizes" in a direction perpendicular to the conducting layers. We suggest measuring this paramagnetic intrinsic Meissner effect in Q2D superconductors and superconducting superlattices.

Original languageEnglish (US)
Pages (from-to)201-204
Number of pages4
JournalJETP Letters
Volume88
Issue number3
DOIs
StatePublished - Oct 1 2008

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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