Concomitant Modulated Superfluidity In Polarized Fermionic Gases
arXiv:1003.4488 · doi:10.1103/PhysRevA.83.023604
Abstract
Recent groundbreaking experiments studying the effects of spin polarization on pairing in unitary Fermi gases encountered mutual qualitative and quantitative discrepancies which seem to be a function of the confining geometry. Using novel numerical algorithms we study the solution space for a 3-dimensional fully self-consistent formulation of realistic systems with up to atoms. A study of the three types of solutions obtained demonstrates a tendency towards metastability as the confining geometry is elongated. One of these solutions, which is consistent with Rice experiments at high trap aspect ratio, supports a state strikingly similar to the long sought Fulde-Ferrel-Larkin-Ovchinnikov state. Our study helps to resolve the long-standing controversy concerning the discrepancies between the findings from two different experimental groups and highlights the versatility of actual-size numerical calculations for investigating inhomogeneous fermionic superfluids.
References in corpus (26)
- Observation of resonance condensation of fermionic atom pairs
- Pairing and Phase Separation in a Polarized Fermi Gas
- Fermionic Superfluidity with Imbalanced Spin Populations and the Quantum Phase Transition to the Normal State
- Inhomogeneous Superconductivity in Condensed Matter and QCD
- Spin-Imbalance in a One-Dimensional Fermi Gas
- Direct Observation of the Superfluid Phase Transition in Ultracold Fermi Gases
- Collective Oscillations of an Imbalanced Fermi Gas: Axial Compression Modes and Polaron Effective Mass
- BEC-BCS crossover in "magnetized" Feshbach-resonantly paired superfluids
- Deformation of a Trapped Fermi Gas with Unequal Spin Populations
- Finite temperature phase diagram of a polarised Fermi condensate
- Phase separation in a polarized Fermi gas at zero temperature
- Direct Imaging of Spatially Modulated Superfluid Phases in Atomic Fermion Systems
- BCS Theory for Trapped Ultracold Fermions
- Strongly interacting Fermi gases with density imbalance
- A Unitary Fermi Supersolid: The Larkin-Ovchinnikov Phase
- Profiles of near-resonant population-imbalanced trapped Fermi gases
- Trapped Fermions across a Feshbach resonance with population imbalance
- Surface Tension in Unitary Fermi Gases with Population Imbalance
- Larkin-Ovchinnikov state in resonant Fermi gas
- Renormalization Group Theory for the Imbalanced Fermi Gas
- Mean field thermodynamics of a spin-polarized spherically trapped Fermi gas at unitarity
- Breakdown of the local density approximation in interacting systems of cold fermions in strongly anisotropic traps
- Trapped fermionic clouds distorted from the trap shape due to many-body effects
- Evaporative depolarization and spin transport in a unitary trapped Fermi gas
- Theory of the Normal/Superfluid interface in population imbalanced Fermi gases
- Competition between Normal Superfluidity and Larkin-Ovchinnikov Phases of Polarized Fermi Gases in Elongated Traps
Cited by in corpus (22)
- The Fulde-Ferrell-Larkin-Ovchinnikov state for ultracold fermions in lattice and harmonic potentials: a review
- Single Impurity In Ultracold Fermi Superfluids
- Expansion of 1D polarized superfluids: The FFLO state reveals itself
- Pair tunneling, phase separation and dimensional crossover in imbalanced fermionic superfluids in a coupled array of tubes
- Oscillatory pairing amplitude and magnetic compressible-incompressible transitions in imbalanced fermionic superfluids in optical lattices of elongated tubes
- Metastability in Spin-Polarized Fermi Gases
- Tuning between singlet, triplet, and mixed pairing states in an extended Hubbard chain
- Instability of Fulde-Ferrell-Larkin-Ovchinnikov states in three and two dimensions
- Bogoliubov-de Gennes study of trapped spin-imbalanced unitary Fermi gases
- Finite-Temperature Study of Bose-Fermi Superfluid Mixtures
- Dimensional Crossover in a Spin-imbalanced Fermi gas
- Radial Fulde-Ferrell-Larkin-Ovchinnikov state in a population-imbalanced Fermi gas
- Multiple phase separation in one-dimensional mixtures of mass- and population-imbalanced attractive Fermi gases
- Quantum Coherent States of Interacting Bose-Fermi Mixtures in One Dimension
- Coordinate-Space Hartree-Fock-Bogoliubov Solvers for Superfluid Fermi Systems in Large Boxes
- Density response of a trapped Fermi gas: a crossover from the pair vibration mode to the Goldstone mode
- Spin-imbalanced ultracold Fermi gases in a two-dimensional array of tubes
- Protocol to engineer Fulde-Ferrell-Larkin-Ovchinnikov states in a cold Fermi gas
- Thermodynamics of Trapped Imbalanced Fermi Gases at Unitarity
- Density and Spin Linear Response of Atomic Fermi Superfluids with Population Imbalance in BCS-BEC Crossover
- Bose-Hubbard model with occupation-parity couplings
- Dynamics of Supersolid state: normal fluid, superfluid, and supersolid velocities