P-band induced self-organization and dynamics with repulsively driven ultracold atoms in an optical cavity
PHYSICAL REVIEW LETTERS(2019)
摘要
We investigate a Bose-Einstein condensate strongly coupled to an optical cavity via a repulsive optical lattice. We detect a stable self-ordered phase in this regime, and show that the atoms order through an antisymmetric coupling to the P band of the lattice, limiting the extent of the phase and changing the geometry of the emergent density modulation. Furthermore, we find a nonequilibrium phase with repeated intense bursts of the intracavity photon number, indicating nontrivial driven-dissipative dynamics.
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关键词
ultracold atoms,dynamics,optical,cavity,self-organization
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