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Article overview
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Non-equilibrium fluctuations and metastability in the dynamics of dissipative multi-component Rydberg gases | Ricardo Gutierrez
; Juan P. Garrahan
; Igor Lesanovsky
; | Date: |
2 Mar 2016 | Abstract: | We study out-of-equilibrium dissipative gases of atoms excited to multiple
high-lying atomic levels. The relative strength of the intra-level and the
inter-level interactions has great implications for the emerging phenomenology.
When the inter-level interactions are dominant the dynamics is characterized by
homogeneous domain formation, while stronger intra-level interactions lead to
heterogeneous domains with an alternating arrangement of excitations. Such
patterns dominate throughout the non-equilibrium evolution of the system, but
they eventually subside into the fully de-correlated stationary state. Before
this happens partial equilibrium occurs within each domain, leading to a
metastable dynamics that may persist for long times. In experimental settings,
where the lifetimes and the system sizes are finite, these metastable states
may take the appearance of dynamic symmetry breaking. | Source: | arXiv, 1603.0828 | Services: | Forum | Review | PDF | Favorites |
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