Physics – Condensed Matter – Soft Condensed Matter
Scientific paper
2002-03-14
Phys. Rev. A 65 (2002) 063620
Physics
Condensed Matter
Soft Condensed Matter
7 pages incl. 7 PostScript figures (.eps), LaTeX using RevTeX4, submitted to Phys. Rev. A, modified version
Scientific paper
10.1103/PhysRevA.65.063620
We investigate theoretically the Raman coupling between two internal states of a trapped low-density quantum-degenerate Fermi gas. In general, the trap frequencies associated with the two internal states can be different, leading to the onset of collapses and revivals in the population difference of the two internal states. This behavior can be changed drastically by two-body collisions. In particular, we show that under appropriate conditions they can suppress the dephasing leading to the collapse of the population difference, and restore almost full Rabi oscillations between the two internal states. These results are compared and contrasted to those for a quantum-degenerate bosonic gas.
Cramer Marcus
Meystre Pierre
Potting S.
Zhang Wanchuan
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