Microscopic Structure of a Vortex Line in a Superfluid Fermi Gas

Abstract

The microscopic properties of a single vortex in a dilute superfluid Fermi gas at zero temperature are examined within the framework of self-consistent Bogoliubov-de Gennes theory. Using only physical parameters as input, we study the pair potential, the density, the energy, and the current distribution. Comparison of the numerical results with analytical expressions clearly indicates that the energy of the vortex is governed by the zero-temperature BCS coherence length.

4 pages, 4 embedded figures. Added references. To be published in Physical Review Letters

References in corpus (18)

• Two-species mixture of quantum degenerate Bose and Fermi gases
• Fermi-Bose quantum degenerate ^40 K - ^87 Rb mixture with attractive interaction
• Measurement of the angular momentum of a rotating Bose-Einstein condensate
• Superfluidity of spin-polarized 6Li
• Influence of Induced Interactions on the Superfluid Transition in Dilute Fermi Gases
• All-Optical Production of a Degenerate Fermi Gas
• Renormalization of the Hartree-Fock-Bogoliubov Equations in the Case of a Zero Range Pairing Interaction
• Observation of p-wave Threshold Law Using Evaporatively Cooled Fermionic Atoms
• Pauli Blocking of Collisions in a Quantum Degenerate Atomic Fermi Gas
• Sympathetic cooling of bosonic and fermionic Lithium gases towards quantum degeneracy
• Quantized vortices and collective oscillations of a trapped Bose condensed gas
• Excitation spectroscopy of vortex states in dilute Bose-condensed gases
• Normal Modes of a Vortex in a Trapped Bose-Einstein Condensate
• A numerical approach to the ground and excited states of a Bose-Einstein condensed gas confined in a completely anisotropic trap
• Stable, Strongly Attractive, Two-State Mixture of Lithium Fermions in an Optical Trap
• Superfluid vortices in neutron stars
• Spatially selective Bragg scattering: a signature for vortices in Bose-Einstein condensates
• Vortices in superfluid trapped Fermi gases at zero temperature

Cited by in corpus (38)

• Theory of ultracold Fermi gases
• The BCS-BEC crossover: From ultra-cold Fermi gases to nuclear systems
• Vortices in Superfluid Fermi Gases through the BEC to BCS Crossover
• The Vortex State in a Strongly Coupled Dilute Atomic Fermionic Superfluid
• Generation and Dynamics of Quantized Vortices in a Unitary Fermi Superfluid
• Dark solitons in a superfluid Fermi gas
• Quantum anomalous vortex and Majorana zero mode in iron-based superconductor Fe(Te,Se)
• Finite temperature phase diagram of a spin-polarized ultracold Fermi gas in a highly elongated harmonic trap
• Hartree-Fock-Bogoliubov theory versus local-density approximation for superfluid trapped fermionic atoms
• Formation of a vortex lattice in a rotating BCS Fermi gas
• Ground State Description of a Single Vortex in an Atomic Fermi gas: From BCS to Bose-Einstein Condensation
• Vortex Core Structure in Neutral Fermion Superfluids with Population Imbalance
• Visualization of vortex bound states in polarized Fermi gases at unitarity
• Bragg scattering of Cooper pairs in an ultra-cold Fermi gas
• Multiply quantized vortices in fermionic superfluids: angular momentum, unpaired fermions, and spectral asymmetry
• Vortex arrays in neutral trapped Fermi gases throughout the BCS-BEC crossover
• Vortex line in a neutral finite-temperature superfluid Fermi gas
• The vortex state in the BEC to BCS crossover: a path-integral description
• Rotation induced superfluid-normal phase separation in trapped Fermi gases
• Effective many-body parameters for atoms in non-separable Gaussian optical potentials
• Vortex formation in a rotating two-component Fermi gas
• Chiral vortices and pseudoscalar condensation due to rotation
• Spin-polarized vortices with reversed circulation
• Vortex structure and spectrum of atomic Fermi superfluid in a spherical bubble trap
• Vortex core states in superfluid Fermi-Fermi mixtures with unequal masses
• Density fingerprint of giant vortices in Fermi gases near a Feshbach resonance
• Pair density waves and vortices in an elongated two-component Fermi gas
• Collective modes of Fermi superfluid containing vortices along the BEC-BCS crossover
• Hubbard parameters for programmable tweezer arrays
• Magnetization profile and core level spectroscopy in a multiply quantized vortex of imbalanced Fermi superfluids
• Vortex Properties of a Resonant Superfluid
• Heat capacity of a two-component superfluid Fermi gas
• Sound emission and annihilations in a programmable quantum vortex collider
• Global-String and Vortex Superfluids in a Supersymmetric Scenario
• Novel $\pi$-type vortex in a nanoscale extreme type-II superconductor: Induced by quantum-size effect
• Generation of vortex dipoles in superfluid Fermi gas in BCS limit
• Dynamical signature of vortex mass in Fermi superfluids
• When are two fermions a simple boson? New Gross-Pitaevskii actions for cold Fermi condensates