Bistability in Feshbach Resonance

Details Bistability in Feshbach Resonance Bistability in Feshbach Resonance

2010-03-11

arxiv.org/abs/1003.2428v1

Physics

Condensed Matter

Quantum Gases

6 pages + 3 figures; To appear in Jounal of Modern Optics, Special Issue - Festschrift in Honor of Lorenzo Narducci

Scientific paper

A coupled atom-molecule condensate with an intraspecies Feshbach resonance is employed to explore matter wave bistability both in the presence and in the absence of a unidirectional optical ring cavity. In particular, a set of conditions are derived that allow the threshold for bistability, due both to two-body s-wave scatterings and to cavity-mediated two-body interactions, to be determined analytically. The latter bistability is found to support, not only transitions between a mixed (atom-molecule) state and a pure molecular state as in the former bistability, but also transitions between two distinct mixed states.

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