Strong Correlations In Lossy One-Dimensional Quantum Gases: From The Quantum Zeno Effect To The Generalized Gibbs Ensemble
PHYSICAL REVIEW A(2021)
Abstract
We consider strong two-body losses in bosonic gases trapped in one-dimensional optical lattices. We exploit the separation of timescales typical of a system in the many-body quantum Zeno regime to establish a connection with the theory of the time-dependent generalized Gibbs ensemble. Our main result is a simple set of rate equations that capture the simultaneous action of coherent evolution and two-body losses. This treatment gives an accurate description of the dynamics of a gas prepared in a Mott insulating state and shows that its long-time behavior deviates significantly from mean-field analyses. The possibility of observing our predictions in an experiment with Yb-174 in a metastable state is also discussed.
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Key words
quantum zeno effect,strong correlations,generalized gibbs,one-dimensional
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