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  Fermionization of two distinguishable fermions

Zürn, G., Serwane, F., Lompe, T., Wenz, A. N., Ries, M. G., Bohn, J. E., et al. (2012). Fermionization of two distinguishable fermions. Physical Review Letters, 108: 075303, pp. 1-5. doi:10.1103/PhysRevLett.108.075303.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-7E02-1 Version Permalink: http://hdl.handle.net/21.11116/0000-0000-7E03-0
Genre: Journal Article

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PhysRevLett_108_2012_075303.pdf (Any fulltext), 441KB
 
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 Creators:
Zürn , G., Author
Serwane, Friedhelm1, 2, Author              
Lompe , T., Author
Wenz , A. N., Author
Ries , Martin Gerhard, Author
Bohn , Johanna Elise, Author
Jochim , Selim, 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 study a system of two distinguishable fermions in a 1D harmonic potential. This system has the exceptional property that there is an analytic solution for arbitrary values of the interparticle interaction. We tune the interaction strength and compare the measured properties of the system to the theoretical prediction. For diverging interaction strength, the energy and square modulus of the wave function for two distinguishable particles are the same as for a system of two noninteracting identical fermions. This is referred to as fermionization. We have observed this phenomenon by directly comparing two distinguishable fermions with diverging interaction strength with two identical fermions in the same potential. We observe good agreement between experiment and theory. By adding more particles our system can be used as a quantum simulator for more complex systems where no theoretical solution is available.

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Language(s): eng - English
 Dates: 2011-11-112012-02-162012
 Publication Status: Published in print
 Pages: 5
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevLett.108.075303
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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: 108 Sequence Number: 075303 Start / End Page: 1 - 5 Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1