Superfluidity and space-time translation symmetry breaking

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70 Scopus citations


I present a simple model that exhibits a temporal analogue of superconducting crystalline (Larkin-Ovchinnikov-Ferrell-Fulde) ordering, with a time-dependent order parameter. I sketch designs for minimally dissipative ac circuits, all based on time translation symmetry (τ) invariant dynamics, exploiting weak links (Josephson effects). These systems violate τ spontaneously. I also discuss effective theories of that phenomenon, and space-time generalizations.

Original languageEnglish (US)
Article number250402
JournalPhysical Review Letters
Issue number25
StatePublished - Dec 18 2013
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy


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