Onset of Fermi Degeneracy in a Trapped Atomic Gas
First trapping of potassium-40.
Ultrastable CO2 Laser Trapping of Lithium Fermions
Phys. Rev. Lett. 82, 4204 (1999), physics/0003049
First trapping of litium-6.
Observation of Fermi Pressure in a Gas of Trapped Atoms
First report of degenerate gas of lithium-6.
Degenerate Fermi Gases of Ytterbium
First report of degenerate Fermi gas beyond alkali atoms. As a rare earth atom, Yb has 2 stable fermionic isotopes with large natural abundances. This is a way to study gases with more than 2 species of fermions. The now-standard technique to obtain infinite scattering length will not work, but alternative methods might.
Creation of ultracold molecules from a Fermi gas of atoms
Nature 424, 47 (2003), cond-mat/0305028
Conversion of an Atomic Fermi Gas to a Long-Lived Molecular Bose Gas
Phys. Rev. Lett. 91, 080406 (2003)
Production of Long-Lived Ultracold Li2 Molecules from a Fermi Gas
Phys. Rev. Lett. 91, 240401 (2003)
Pure Gas of Optically Trapped Molecules Created from Fermionic Atoms
Phys. Rev. Lett. 91, 240402 (2003)
Observation of Bose-Einstein Condensation of Molecules
Phys. Rev. Lett. 91, 250401 (2003)
Bose-Einstein Condensation of Molecules
Emergence of a molecular Bose-Einstein condensate from a Fermi gas
Nature 426, 537 (2003), cond-mat/0311172
Observation of a Strongly Interacting Degenerate Fermi Gas of Atoms
Science 298, 2179 (2002), cond-mat/0212463
Decay of an Ultracold Fermionic Lithium Gas near a Feshbach Resonance
Phys. Rev. Lett. 89, 203201 (2002)
Mechanical stability of a strongly interacting Fermi gas of atoms
Phys. Rev. A 68, 011401 (2003), cond-mat/0212499
Lithium-6 near a Feshbach resonance.
Measurement of the Interaction Energy near a Feshbach Resonance in a 6Li Fermi Gas
Phys. Rev. Lett. 91, 020402 (2003), cond-mat/0303079
Lithium-6 near a Feshbach resonance.
Lifetime of Molecule-Atom Mixtures near a Feshbach Resonance in 40K
Phys. Rev. Lett. 92, 083201 (2004)
Observation of Resonance Condensation of Fermionic Atom Pairs
Phys. Rev. Lett. 92, 040403 (2004)
Crossover from a Molecular Bose-Einstein Condensate to a Degenerate Fermi Gas
Phys. Rev. Lett. 92, 120401 (2004)
Condensation of Pairs of Fermionic Atoms near a Feshbach Resonance
Phys. Rev. Lett. 92, 120403 (2004)
Evidence for Superfluidity in a Resonantly Interacting Fermi Gas
Phys. Rev. Lett. 92, 150402 (2004)
Observation of the Pairing Gap in a Strongly Interacting Fermi Gas
Collective Excitiations of a Degenerate Gas at the BEC-BCS Crossover
Phys. Rev. Lett. 92, 203201 (2004), cond-mat/0412712
Also see their note reinterpreting their data cond-mat/0611285
Heat Capacity of a Strongly Interacting Fermi Gas
Science 307, 1296 (2005), cond-mat/0502087
Evidence for Tc/TF approx 0.3 in the unitary regime.
Molecular Probe of Pairing in the BEC-BCS Crossover
Phys. Rev. Lett. 95, 020404 (2005), cond-mat/0505353
Molcecular spectroscopy probe of lithium-6 in the unitary regime.
Vortices and superfluidity in a strongly interacting Fermi gas
Nature 435, 1047 (2005), cond-mat/0505635
Smoking gun for superfluidity in unitary Fermi gas in an atomic trap.
Superfluid Expansion of a Strongly Interacting Fermi Gas
The potential energy of a 40K Fermi gas in the BCS-BEC crossover
Phys. Rev. Lett. 97, 220406 (2006), cond-mat/0607776
beta = -0.54^{+0.05}_{-0.12} in agreement with results from lithium-6 and Monte Carlo calculations.
Precision Measurements of Collective Oscillations in the BEC-BCS crossover
Measures radial compression mode in lithium-6 at a Feshbach resonance. Agrees with QMC calculations; rules out mean field BCS theory.
Measurement of the Entropy and Critical Temperature of a Strongly Interacting Fermi Gas
Sound propagation in a Fermi gas near a Feshbach resonance
Expansion of an ultra-cold lithium gas in the BEC-BCS crossover
To be published in the Proceedings of the 2006 Enrico Fermi summer school on Fermi gases
Observation of a quenched moment of inertia in a rotating strongly interacting Fermi gas
Critical velocity for superfluid flow across the BEC-BCS crossover
Is a gas of strongly interacting atomic fermions a nearly perfect fluid?
Journal of Low Temperature Physics 150, 567 (2008), arXiv:0707.2574
Finite-Temperature Collective Dynamics of a Fermi Gas in the BEC-BCS Crossover
Determination of the Fermion Pair Size in a Resonantly Interacting Superfluid
Pairs are approx 1.4(2) /kF, smaller than the interparticle spacing.
Fermionic Superfluidity with Imbalanced Spin Populations and the Quantum Phase Transition to the Normal State
Science 311, 492 (27 Jan 2006), cond-mat/0511197
Pairing and Phase Separation in a Polarized Fermi Gas
Science 311, 503 (27 Jan 2006), cond-mat/0511752
Comment on "Pairing and Phase Separation in a Polarized Fermi Gas" by G.B. Partridge, W. Li, R. I. Kamar, Y. Liao, R. G. Hulet, Science 311, 503 (2006)
Response to Comment on "Pairing and Phase Separation in a Polarized Fermi Gas"
Direct Observation of the Superfluid Phase Transition in Ultracold Fermi Gases
Observation of Phase Separation in a Strongly-Interacting Imbalanced Fermi Gas
Deformation of a Trapped Fermi Gas with Unequal Spin Populations
Pairing of Strongly Interacting Fermions without Superfluidity
Tuning p-Wave Interactions in an Ultracold Fermi Gas of Atoms
Phys. Rev. Lett. 90, 053201 (2003), cond-mat/0209071
Multiplet structure of Feshbach resonances in nonzero partial waves
Phys. Rev. A 69, 042712 (2004), physics/0310121
P-wave Feshbach resonances of ultracold 6Li
Phys. Rev. A 70, 030702(R) (2004), quant-ph/0406085
Feshbach resonances in fermionic 6Li
Phys. Rev. A 71, 045601 (2005), cond-mat/0407373
p-Wave Interactions in Low-Dimensional Fermi gases
Phys. Rev. Lett. 95, 230401 (2005), cond-mat/0507632
In an optical lattice: 1D, 2D and 3D.
Experimental realization of BCS-BEC crossover physics with a Fermi gas of atoms
Part of this thesis will appear in Vol. 43 of "Advances in Atomic, Molecular, and Optical Physics"