Boson-like quantum dynamics of association in ultracold Fermi gases

Igor Tikhonenkov, Ehoud Pazy, Amichay Vardi

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

We study the collective association dynamics of a cold Fermi gas of 2N atoms in M atomic modes into a single molecular bosonic mode. When the atomic translational motion is slow compared to the atom-molecule conversion rate, the many-body fermionic problem for 2M amplitudes is effectively reduced to a dynamical system of min{N, M} + 1 amplitudes, making the solution no more complex than the solution of a two-mode Bose-Einstein condensate and allowing realistic calculations with up to 104 particles. The many-body dynamics is shown to be formally similar to the dynamics of the bosonic system under the mapping of boson particles to fermion holes, producing collective enhancement effects due to many-particle constructive interference.

Original languageEnglish
Pages (from-to)321-325
Number of pages5
JournalOptics Communications
Volume264
Issue number2
DOIs
StatePublished - 15 Aug 2006

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