On quantum time crystals and interacting gauge theories in atomic Bose-Einstein condensates
arXiv:1812.04672 · doi:10.1103/PhysRevLett.123.250402
Abstract
We study the dynamics of a Bose-Einstein condensate trapped circumferentially on a ring, and which is governed by an interacting gauge theory. We show that the associated density-dependent gauge potential and concomitant current nonlinearity permits a ground state in the form of a rotating chiral bright soliton. This chiral soliton is constrained to move in one direction by virtue of the current nonlinearity, and represents a time crystal in the same vein as Wilczek's original proposal.
New version with general improvements and corrections
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Cited by in corpus (21)
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