Superfluidity and Space-Time Translation Symmetry Breaking

Author(s)
Wilczek, Frank
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Abstract
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.
Date issued
2013-12
URI
http://hdl.handle.net/1721.1/85671
Department
Massachusetts Institute of Technology. Center for Theoretical Physics; Massachusetts Institute of Technology. Department of Physics
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Wilczek, Frank. “Superfluidity and Space-Time Translation Symmetry Breaking.” Physical Review Letters 111, no. 25 (December 2013). © 2013 American Physical Society
Version: Final published version
ISSN
0031-9007
1079-7114
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