Quantum Simulation of Competing Orders with Fermions in Quantum Optical Lattices
arXiv:1706.02347 · doi:10.1103/PhysRevA.96.051602
Abstract
Ultracold Fermi atoms confined in optical lattices coupled to quantized modes of an optical cavity are an ideal scenario to engineer quantum simulators in the strongly interacting regime. The system has both short range and cavity induced long range interactions. We propose such a scheme to investigate the coexistence of superfluid pairing, density order and quantum domains having an- tiferromagnetic or density order in the Hubbard model in a high finesse optical cavity at T = 0. We demonstrate that those phases can be accessed by properly tuning the linear polarizer of an external pump beam via the cavity back-action effect, while modulating the system doping. This allows emulate the typical scenarios of analog strongly correlated electronic systems.
arXiv comment7 pages, 3 Figures. Final version, Accepted in Physical Review A as Rapid Communication
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