Superlattice switching from parametric instabilities in a driven-dissipative BEC in a cavity
Quantum Gases
2018-11-28 v1
Abstract
We numerically obtain the full time-evolution of a parametrically-driven dissipative Bose-Einstein condensate in an optical cavity and investigate the implications of driving for the phase diagram. Beyond the normal and superradiant phases, a third nonequilibrium phase emerges as a manybody parametric resonance. This dynamical normal phase switches between two symmetry-broken superradiant configurations. The switching implies a breakdown of the system's mapping to the Dicke model. Unlike the other phases, the dynamical normal phase shows features of nonintegrability and thermalization.
Cite
@article{arxiv.1710.02474,
title = {Superlattice switching from parametric instabilities in a driven-dissipative BEC in a cavity},
author = {Paolo Molignini and Luca Papariello and Axel U. J. Lode and R. Chitra},
journal= {arXiv preprint arXiv:1710.02474},
year = {2018}
}
Comments
5 pages, 3 figures