Observations on sound propagation in rapidly rotating Bose-Einstein condensates |
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| Authors: | Simula T P Engels P Coddington I Schweikhard V Cornell E A Ballagh R J |
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| Institution: | Department of Physics, University of Otago, Dunedin, New Zealand. |
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| Abstract: | Repulsive laser potential pulses applied to vortex lattices of rapidly rotating Bose-Einstein condensates create propagating density waves which we have observed experimentally and modeled computationally to high accuracy. We have observed a rich variety of dynamical phenomena ranging from interference effects and shock-wave formation to anisotropic sound propagation. |
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