Infinite density for cold atoms in shallow optical lattices

Infinite densities can describe the long-time properties of systems when ergodicity is broken and the equilibrium Boltzmann-Gibbs distribution fails. We here perform semiclassical Monte Carlo simulations of cold atoms in dissipative optical lattices with realistic parameters. We show that the moment...

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Bibliographic Details
Published in:arXiv.org 2013-10
Main Authors: Holz, Philip C, Dechant, Andreas, Lutz, Eric
Format: Article
Language:English
Subjects:
Autocorrelation functions
Cold atoms
Computer simulation
Density
Matter & antimatter
Momentum
Monte Carlo simulation
Optical lattices
Optical properties
Scale invariance
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Summary:Infinite densities can describe the long-time properties of systems when ergodicity is broken and the equilibrium Boltzmann-Gibbs distribution fails. We here perform semiclassical Monte Carlo simulations of cold atoms in dissipative optical lattices with realistic parameters. We show that the momentum infinite density, as well as its scale invariance, should be observable in shallow potentials. We further evaluate the momentum autocorrelation function in the stationary and aging regime.
ISSN:2331-8422
DOI:10.48550/arxiv.1310.3425