Gauge-invariant spin glasses

Paul Goldbart, Olivier Martin, Eduardo H Fradkin

Research output: Contribution to journalArticlepeer-review

Abstract

Spin-glass models with orthogonal and unitary bond interactions are investigated using replica mean-field theory. The orthogonal model leads to a low-temperature phase described by a Parisi replica symmetry broken order parameter. The analogous solution for the unitary model is unstable to fluctuations which render the order parameter complex. In this case a simple parametrization of the Hermitian order parameter suggests a first-order transition.

Original languageEnglish (US)
Pages (from-to)301-305
Number of pages5
JournalPhysical Review B
Volume34
Issue number1
DOIs
StatePublished - Jan 1 1986

ASJC Scopus subject areas

  • Condensed Matter Physics

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