Detection of the BCS transition of a trapped Fermi Gas

Abstract

We investigate theoretically the properties of a trapped gas of fermionic atoms in both the normal and the superfluid phases. Our analysis, which accounts for the shell structure of the normal phase spectrum, identifies two observables which are sensitive to the presence of the superfluid: the response of the gas to a modulation of the trapping frequency, and the heat capacity. Our results are discussed in the context of experiments on trapped Fermi gases.

5 pages, including 4 postscript figures

References in corpus (7)

• BCS Theory for Trapped Ultracold Fermions
• Ultrastable CO2 Laser Trapping of Lithium Fermions
• Exploring a quantum degenerate gas of fermionic atoms
• Interacting Fermi gas in a Harmonic Trap
• Optical detection of a BCS phase transition in a trapped gas of fermionic atoms
• Optical response of superfluid state in dilute atomic Fermi-Dirac gases
• Single-particle excitations and the order parameter for a trapped superfluid Fermi gas

Cited by in corpus (18)

• Low energy Collective Modes of a Superfluid Trapped atomic Fermi Gas
• Transition from Collisionless to Hydrodynamic Behaviour in an Ultracold Atomic Gas
• Fermi Gases in Slowly Rotating Traps: Superfluid vs Collisional Hydrodynamics
• Spin Excitations in a Fermi Gas of Atoms
• Laser probing of Cooper-paired trapped atoms
• Radiofrequency spectroscopy of ${}^6$Li p-wave molecules: towards photoemission spectroscopy of a p-wave superfluid
• Collective Modes of Trapped Fermi Gases in the Normal Phase
• Non-equilibrium Enhancement of Cooper Pairing in Cold Fermion Systems
• Josephson effect in superfluid atomic Fermi-gases
• Diffraction of a superfluid Fermi gas by an atomic grating
• Vortices in Trapped Superfluid Fermi-gases
• Effects of the trapping potential on a superfluid atomic Fermi Gas
• Laser-induced collective excitations in a two-component Fermi gas
• Quasiparticle spectrum and dynamical stability of an atomic Bose-Einstein condensate coupled to a degenerate Fermi gas
• Energy absorption spectroscopy of unitary Fermi gases in a uniform potential
• Cooper-pair coherence in a superfluid Fermi-gas of atoms
• Nonequilibrium relaxation in neutral BCS superconductors: Ginzburg-Landau approach with Landau damping in real time
• Two-component Fermi gas in a Harmonic Trap