Quantum Time Crystals
Quantum Physics
2015-06-04 v2 Other Condensed Matter
Superconductivity
Abstract
Difficulties around the idea of spontaneous breaking of time translation symmetry in a closed quantum mechanical system are identified, and then overcome in a simple model. The possibility of ordering in imaginary time is also discussed.
Cite
@article{arxiv.1202.2539,
title = {Quantum Time Crystals},
author = {Frank Wilczek},
journal= {arXiv preprint arXiv:1202.2539},
year = {2015}
}
Comments
6 pages, no figures. v2: tightened format, additional references, small improvements