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  Universal trimer in a three-component fermi gas

Wenz, A. N., Lompe, T., Ottenstein, T. B., Serwane, F., Zürn, G., & Jochim, S. (2009). Universal trimer in a three-component fermi gas. Physical Review A, 80(4): 040702, pp. 1-4. doi:10.1103/PhysRevA.80.040702.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-7E2D-2 Version Permalink: http://hdl.handle.net/21.11116/0000-0000-7E2E-1
Genre: Journal Article

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PhysRevA_80_2009_040702.pdf (Any fulltext), 183KB
 
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Wenz, A. N., Author
Lompe, T., Author
Ottenstein, T. B., Author
Serwane, Friedhelm1, 2, 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: We show that the recently measured magnetic field dependence of three-body loss in a three-component mixture of ultracold 6Li atoms [T. B. Ottenstein et al., Phys. Rev. Lett. 101, 203202 (2008); J. H. Huckans et al., Phys. Rev. Lett. 102, 165302 (2009)] can be explained by the presence of a universal trimer state. Previous work suggested a universal trimer state as a probable explanation, yet it failed to get good agreement between theory and experiment over the whole range of magnetic fields. For our description we adapt the theory of Braaten and Hammer [Phys. Rep. 428, 259 (2006)] for three identical bosons to the case of three distinguishable fermions by combining the three scattering lengths a12, a23, and a13 between the three components to an effective interaction parameter am. We show that taking into account a magnetic field variation in the lifetime of the trimer state is essential to obtain a complete understanding of the observed decay rates.

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Language(s): eng - English
 Dates: 2009-06-252009-10-012009-10-01
 Publication Status: Published in print
 Pages: 4
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevA.80.040702
 Degree: -

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Title: Physical Review A
  Other : Phys. Rev. A
  Other : Physical Review A: Atomic, Molecular, and Optical Physics
Source Genre: Journal
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Publ. Info: New York, NY : American Physical Society
Pages: - Volume / Issue: 80 (4) Sequence Number: 040702 Start / End Page: 1 - 4 Identifier: ISSN: 1050-2947
CoNE: https://pure.mpg.de/cone/journals/resource/954925225012_2