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Adiabatic Phase Diagram of a Degenerate Fermi Gas with a Feshbach Resonance

TitleAdiabatic Phase Diagram of a Degenerate Fermi Gas with a Feshbach Resonance
Publication TypeJournal Article
Year of Publication2007
AuthorsS. Watabe, T. Nikuni, N. Nygaard, J. E. Williams, and C. W. Clark
JournalJ. Low Temp. Phys.
Volume148
Pagination435–440
Date Publishedmay
ISSN0022-2291
Keywords2007, Single Fellow
Abstract

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.

URLhttp://arxiv.org/abs/cond-mat/0607123