Confinement effects on the stimulated dissociation of molecular BECs

Details Confinement effects on the stimulated dissociation of molecular BECs Confinement effects on the stimulated dissociation of molecular BECs

2006-12-20

arxiv.org/abs/cond-mat/0612524v1

Phys. Rev. Lett. 98, 080403 (2007)

Physics

Condensed Matter

Other Condensed Matter

4 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.98.080403

We show that a molecular BEC in a trap is stabilized against stimulated dissociation if the trap size is smaller than the resonance healing length $(\hbar^2/2mg\sqrt{n})^{1/2}$. The condensate shape determines the critical atom-molecule coupling frequency. We discuss an experiment for triggering dissociation by a sudden change of coupling or trap parameters. This effect demonstrates one of the unique collective features of 'superchemistry' in that the yield of a chemical reaction depends critically on the size and shape of the reaction vessel.

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