Quantum phases from competing short- and long-range interactions in an optical lattice

Renate Landig, Lorenz Hruby, Nishant Dogra, Manuele Landini, Rafael Mottl, Tobias Donner () and Tilman Esslinger
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Renate Landig: Institute for Quantum Electronics
Lorenz Hruby: Institute for Quantum Electronics
Nishant Dogra: Institute for Quantum Electronics
Manuele Landini: Institute for Quantum Electronics
Rafael Mottl: Institute for Quantum Electronics
Tobias Donner: Institute for Quantum Electronics
Tilman Esslinger: Institute for Quantum Electronics

Nature, 2016, vol. 532, issue 7600, 476-479

Abstract: The simplest form of the Hubbard model includes only on-site interactions, but by placing an optical lattice filled with ultracold rubidium atoms into an optical cavity the Hubbard model is implemented with competing long- and short-range interactions; four phases emerge, namely, a superfluid phase, a Mott insulating phase, a supersolid phase and a charge density wave phase.

Date: 2016
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DOI: 10.1038/nature17409

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