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Pinning Transition of Bose-Einstein Condensates in Optical Ring Resonators

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posted on 2023-11-30, 05:22 authored by S. C. Schuster, P. Wolf, D. Schmidt, S. Slama, C. Zimmermann
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.

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