Chingyun Cheng

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We measure the density profiles for a Fermi gas of (6)Li containing N(1) spin-up atoms and N(2) spin-down atoms, confined in a quasi-two-dimensional geometry. The spatial profiles are measured as a function of spin imbalance N(2)/N(1) and interaction strength, which is controlled by means of a collisional (Feshbach) resonance. The measured cloud radii and(More)
We smoothly tune the dimensionality of pancake-shaped Li Fermi gas clouds from quasi-two-dimensional to two-dimensional (2D) to measure radio-frequency spectra and cloud profiles in both regimes. In the quasi-2D case, where EF/hνz 1, with EF the Fermi energy and hνz the harmonic oscillator energy in the tightly confined direction, we confirm that the(More)
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