Mott insulators and correlated superfluids in ultracold Bose-Fermi mixtures

Abstract

We study the effects of interaction between bosons and fermions in a Bose-Fermi mixtures loaded in an optical lattice. We concentrate on the destruction of a bosonic Mott phase driven by repulsive interaction between bosons and fermions. Once the Mott phase is destroyed, the system enters a superfluid phase where the movements of bosons and fermions are correlated. We show that this phase has simultaneously correlations reminiscent of a conventional superfluid and of a pseudo-spin density wave order.

References in corpus (5)

• Quantum phase transition from a superfluid to a Mott insulator in a gas of ultracold atoms
• Direct Observation of the Superfluid Phase Transition in Ultracold Fermi Gases
• Bose-Fermi Mixtures in a Three-dimensional Optical Lattice
• Localization of bosonic atoms by fermionic impurities in a 3d optical lattice
• Bose-Fermi mixtures in an optical lattice

Cited by in corpus (11)

• The Stochastic Green Function (SGF) algorithm
• Finite-Temperature Auxiliary-Field Quantum Monte Carlo for Bose-Fermi Mixtures
• Supersolids in one dimensional Bose Fermi mixtures
• Superfluid and Mott Insulator phases of one-dimensional Bose-Fermi mixtures
• Generalized Dynamical Mean-Field Theory for Bose-Fermi Mixtures in Optical Lattices
• Quantum phases of mixtures of atoms and molecules on optical lattices
• Disordered one-dimensional Bose-Fermi mixtures: The Bose-Fermi glass
• Unconventional quantum phases of lattice bosonic mixtures
• Quantum Monte Carlo simulation of three-dimensional Bose-Fermi mixtures
• Mixture of Tonks-Girardeau gas and Fermi gas in one-dimensional optical lattices
• Using off-diagonal confinement as a cooling method