Publications by Robert Smith


Observation of Weak Collapse in a Bose-Einstein Condensate

PHYSICAL REVIEW X 6 (2016) ARTN 041058

C Eigen, AL Gaunt, A Suleymanzade, N Navon, Z Hadzibabic, RP Smith

We study the collapse of an attractive atomic Bose-Einstein condensate prepared in the uniform potential of an optical-box trap. We characterize the critical point for collapse and the collapse dynamics, observing universal behavior in agreement with theoretical expectations. Most importantly, we observe a clear experimental signature of the counterintuitive weak collapse, namely, that making the system more unstable can result in a smaller particle loss. We experimentally determine the scaling laws that govern the weak-collapse atom loss, providing a benchmark for the general theories of nonlinear wave phenomena.


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