Superfluidity and Space-Time Translation Symmetry Breaking

Abstract

I present a simple model that exhibits a temporal analogue of superconducting crystalline (LOFF) ordering. I sketch designs for minimally dissipative AC circuits, all based on time translation symmetry ($\tau$) invariant dynamics, exploiting weak links (Josephson effects). These systems violate $\tau$ spontaneously. I also discuss effective theories of that phenomenon, and space-time generalizations.

8 pages, no figures

References in corpus (2)

• Fulde-Ferrell-Larkin-Ovchinnikov State in Heavy Fermion Superconductors
• Impossibility of Spontaneously Rotating Time-Crystals: A No-Go Theorem

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