P-band induced self-organization and dynamics with repulsively driven ultracold atoms in an optical cavity
arXiv:1905.10377 · doi:10.1103/PhysRevLett.123.233601
Abstract
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 non-equilibrium phase with repeated intense bursts of the intra-cavity photon number, indicating non-trivial driven-dissipative dynamics.
arXiv comment5 pages, 4 figures, supplemental material
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