Superfluid and insulating phases of fermion mixtures in optical lattices
arXiv:cond-mat/0612496 · doi:10.1103/PhysRevLett.99.080403
Abstract
The ground state phase diagram of fermion mixtures in optical lattices is analyzed as a function of interaction strength, fermion filling factor and tunneling parameters. In addition to standard superfluid, phase-separated or coexisting superfluid/excess-fermion phases found in homogeneous or harmonically trapped systems, fermions in optical lattices have several insulating phases, including a molecular Bose-Mott insulator (BMI), a Fermi-Pauli (band) insulator (FPI), a phase-separated BMI/FPI mixture or a Bose-Fermi checkerboard (BFC). The molecular BMI phase is the fermion mixture counterpart of the atomic BMI found in atomic Bose systems, the BFC or BMI/FPI phases exist in Bose-Fermi mixtures, and lastly the FPI phase is particular to the Fermi nature of the constituent atoms of the mixture.
arXiv comment4 pages with 3 figures (Published version)
References in corpus (17)
- Quantum phase transition from a superfluid to a Mott insulator in a gas of ultracold atoms
- Pairing and Phase Separation in a Polarized Fermi Gas
- Fermionic Superfluidity with Imbalanced Spin Populations and the Quantum Phase Transition to the Normal State
- Fermionic atoms in a 3D optical lattice: Observing Fermi-surfaces, dynamics and interactions
- Quantum phases in an optical lattice
- A two atomic species superfluid
- Evidence for Superfluidity of Ultracold Fermions in an Optical Lattice
- BEC-BCS crossover in "magnetized" Feshbach-resonantly paired superfluids
- Molecules of Fermionic Atoms in an Optical Lattice
- Tuning of heteronuclear interactions in a quantum-degenerate Fermi-Bose mixture
- Production of a Fermi gas of atoms in an optical lattice
- Superfluid stability in BEC-BCS crossover
- Two-species fermion mixtures with population imbalance
- Trapped fermions with density imbalance in the BEC limit
- Spin-Dependent Hubbard Model and a Quantum Phase Transition in Cold Atoms
- Fermion pairing with spin-density imbalance in an optical lattice
- BEC-BCS crossover in an optical lattice
Cited by in corpus (23)
- Fermi-Hubbard physics with atoms in an optical lattice
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- Interaction and filling induced quantum phases of dual Mott insulators of bosons and fermions
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- Hydrodynamic Expansion of a Strongly Interacting Fermi-Fermi Mixture
- All-optical production of a degenerate mixture of 6Li and 40K and creation of heteronuclear molecules
- Feshbach resonances in the 6Li-40K Fermi-Fermi mixture: Elastic versus inelastic interactions
- Superfluid-insulator transitions of the Fermi gas with near-unitary interactions in a periodic potential
- Evolution from BCS to BKT superfluidity in one-dimensional optical lattices
- Quantum phases of Fermi-Fermi mixtures in optical lattices
- Population imbalanced fermions in harmonically trapped optical lattices
- Interorbital Interactions in an SU(2)xSU(6)-Symmetric Fermi-Fermi Mixture
- Noise correlations of the ultra-cold Fermi gas in an optical lattice
- Quantum phases of constrained dipolar bosons in coupled one-dimensional optical lattices
- Thermodynamical approaches to efficient sympathetic cooling in ultracold Fermi-Bose atomic mixtures
- Correlated Phases of Population Imbalanced Fermi-Fermi Mixtures on an Optical Lattice
- Fulde-Ferrell-Larkin-Ovchinnikov pairing states of a polarized dipolar Fermi gas trapped in a one-dimensional optical lattice
- Mott transitions in a three-component Falicov-Kimball model: A slave boson mean-field study
- Component separation of two-component fermion clouds in a spin-dependent external potential by spin-density-functional theory
- Phase Separation of Superfluids in the Chain of Four-Component Ultracold Atoms
- Phase diagram of imbalanced fermions in optical lattices
- Ground State Properties of an Asymmetric Hubbard Model for Unbalanced Ultracold Fermionic Quantum Gases
- The demixing of the two-component fermions in optical lattices under a spin-dependent external potential