Cooper pairs with broken parity and spin-rotational symmetries in d-wave superconductors

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Abstract

Paramagnetic effects are shown to result in the appearance of a triplet component of order parameter in a vortex phase of a d-wave superconductor in the absence of impurities. This component, which breaks parity and spin-rotational symmetries of Cooper pairs, is expected to be of the order of unity in a number of modern superconductors such as organic, high Tc, and some others. A generic phase diagram of such type-IV superconductors, which are singlet ones at H=0 and in the Meissner phase, and characterized by singlet-triplet mixed Copper pairs Δs+iΔt with broken symmetries in a vortex phase, is discussed.

Original languageEnglish (US)
Article number037002
JournalPhysical review letters
Volume96
Issue number3
DOIs
StatePublished - Jan 27 2006

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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