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  Atom-dimer scattering in a three-component fermi gas

Lompe, T., Ottenstein, T. B., Serwane, F., Viering, K., Wenz, A. N., Zürn, G., et al. (2010). Atom-dimer scattering in a three-component fermi gas. Physical Review Letters, 105: 103201, pp. 1-4. doi:10.1103/PhysRevLett.105.103201.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-7E13-E Version Permalink: http://hdl.handle.net/21.11116/0000-0000-7E14-D
Genre: Journal Article

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PhysRevLett_105_2010_103201.pdf (Any fulltext), 182KB
 
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Lompe , T., Author
Ottenstein , T. B., Author
Serwane, Friedhelm1, 2, Author              
Viering , K., Author
Wenz, A. N., Author
Zürn, G., Author
Jochim, S., Author
Affiliations:
1Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society, ou_2364731              
2Biophysical Chemistry, Institute of Physical Chemistry, University of Heidelberg, 69120 Heidelberg, Germany, ou_persistent22              

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 Abstract: Ultracold gases of three distinguishable particles with large scattering lengths are expected to show rich few-body physics related to the Efimov effect. We have created three different mixtures of ultracold 6Li atoms and weakly bound 6Li2 dimers consisting of atoms in three different hyperfine states and studied their inelastic decay via atom-dimer collisions. We have found resonant enhancement of the decay due to the crossing of Efimov-like trimer states with the atom-dimer continuum in one mixture as well as minima of the decay in another mixture, which we interpret as a suppression of exchange reactions of the type |12⟩+|3⟩→|23⟩+|1⟩. Such a suppression is caused by interference between different decay paths and demonstrates the possibility of using Efimov physics to control the rate constants for molecular exchange reactions in the ultracold regime.

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Language(s): eng - English
 Dates: 2010-03-022010-09-022010
 Publication Status: Published in print
 Pages: 4
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevLett.105.103201
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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 105 Sequence Number: 103201 Start / End Page: 1 - 4 Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1