DOI: 10.5176/2301-3516_OPAP13.38

Authors: Dario Poletti, Antoine Georges, Jean-S´ebastien Bernier, Antoine Georges, Corinna Kollath, Corinna Kollath

Abstract:

We study the dynamics of bosonic atoms in a double well potential under the influence of dissipation. The main effect of dissipation is to destroy quantum coherence and to drive the system towards a unique steady state. We study how the atom-atom interaction affects the decoherence process. We use a systematic approach considering different atomic densities. We show that, for two atoms, the interaction already strongly suppresses decoherence: a phenomena we refer to as “interaction impeded decoherence”. For many atoms, thanks to the increased complexity of the system, the nature of the decoherence process is dramatically altered giving rise to an algebraic instead of exponential decay.

Keywords: component: dissipation, ultracold atoms, emerging behaviors

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