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Phys. Rev. A 68, 031603(R) (2003) [4 pages]

Role of quantum statistics in the photoassociation of Bose-Einstein condensates

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M. K. Olsen
Instituto de Física da Universidade Federal Fluminense, Boa Viagem 24210-340, Niterói, Rio de Janeiro, Brazil

L. I. Plimak
Fachbereich Physik, Universität Kaiserslautern, D-67663 Kaiserslautern, Germany

Received 24 March 2003; published 23 September 2003

We show that the photoassociation of an atomic Bose-Einstein condensate to form condensed molecules is a chemical process which not only does not obey the Arrhenius rules for chemical reactions, but that it can also depend on the quantum statistics of the reactants. Comparing the predictions of a truncated Wigner representation for different initial quantum states, we find that, even when the quantum prediction for an initial coherent state is close to the Gross-Pitaevskii prediction, other quantum states may result in very different dynamics.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.68.031603
DOI:
10.1103/PhysRevA.68.031603
PACS:
03.75.Kk, 03.75.Mn, 05.30.Jp