Adiabatic Phase Diagram on Degenerate Fermi Gas with Feshbach-Resonance

Details Adiabatic Phase Diagram on Degenerate Fermi Gas with Feshbach-Resonance Adiabatic Phase Diagram on Degenerate Fermi Gas with Feshbach-Resonance

2006-07-05

arxiv.org/abs/cond-mat/0607123v2

J. Low Temp. Phys. 148, 345 (2007).

Physics

Condensed Matter

Other Condensed Matter

6 pages, 7 figures, submitted to Quantum Fluids and Solids Conference (QFS 2006)

Scientific paper

10.1007/s10909-007-9398-6

We determine the adiabatic phase diagrams for a resonantly-coupled system of Fermi atoms and Bose molecules confined in a harmonic trap by using the local density approximation. The key idea of our work is conservation of entropy through the adiabatic process. We also calculate the molecular conversion efficiency as a function of the initial temperature. Our work helps to understand recent experiments on the BCS-BEC crossover, in terms of the initial temperature measured before a sweep of the magnetic field.

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