Pinning Transition of Bose-Einstein Condensates in Optical Ring Resonators
arXiv:1803.02293 · doi:10.1103/PhysRevLett.121.223601
Abstract
We experimentally investigate the dynamic instability of Bose-Einstein condensates in an optical ring resonator that is asymmetrically pumped in both directions. We find that, beyond a critical resonator-pump detuning, the system becomes stable regardless of the pump strength. Phase diagrams and quenching curves are presented and described by numerical simulations. We discuss a physical explanation based on a geometric interpretation of the underlying nonlinear equations of motion.
4 pages, 4 figures
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