Quantum Time Crystals

Author(s)
Wilczek, Frank
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Abstract
Some subtleties and apparent difficulties associated with the notion of spontaneous breaking of time-translation symmetry in quantum mechanics are identified and resolved. A model exhibiting that phenomenon is displayed. The possibility and significance of breaking of imaginary time-translation symmetry is discussed.
Date issued
2012-10
URI
http://hdl.handle.net/1721.1/76209
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. “Quantum Time Crystals.” Physical Review Letters 109.16 (2012). © 2012 American Physical Society
Version: Final published version
ISSN
0031-9007
1079-7114
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