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Updated: Jun 26, 2026

Generation and Coherent Control of Pulsed Quantum Frequency Combs
Published on: June 8, 2018
Dissipation induced coherence of a two-mode Bose-Einstein condensate
D Witthaut1, F Trimborn, S Wimberger
1QUANTOP, Niels Bohr Institute, University of Copenhagen, DK-2100 Copenhagen, Denmark. dirk.witthaut@nbi.dk
Abstract:
We discuss the dynamics of a Bose-Einstein condensate in a double-well trap subject to phase noise and particle loss. The phase coherence of a weakly interacting condensate as well as the response to an external driving show a pronounced stochastic resonance effect: Both quantities become maximal for a finite value of the dissipation rate matching the intrinsic time scales of the system. Even stronger effects are observed when dissipation acts in concurrence with strong interparticle interactions, restoring the purity of the condensate almost completely and increasing the phase coherence significantly.
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