Ginzburg-Landau theory of the phase diagram of superconducting UPt3

Anupam Garg*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

The phase diagram of superconducting UPt3 is investigated within a Ginzburg-Landau theory that uses a complex two-component vector order parameter. For fields both along the c axis and in the basal plane, the theory allows for a kink in Hc2(T), but the inner lines may not be true phase boundaries. For basal plane fields, an additional transition is predicted at which a magnetization transverse to the field develops. For otherwise-oriented fields, there is no kink in Hc2. The nature of the order parameter in the various phases is determined.

Original languageEnglish (US)
Pages (from-to)676-679
Number of pages4
JournalPhysical review letters
Volume69
Issue number4
DOIs
StatePublished - Jan 1 1992

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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