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  Efimov Physics in a three-component Fermi gas

Lompe, T. (2011). Efimov Physics in a three-component Fermi gas. PhD Thesis, Ruprecht-Karls Universität, Heidelberg, Germany.

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Lompe, Thomas1, Author           
Jochim, Selim1, 2, Referee           
Stachel, Johanna2, Referee
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1Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society, ou_904547              
2Physikalisches Institut der Universität Heidelberg, ou_persistent22              

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 Abstract: This thesis reports on experiments studying the few-body physics of three distinguishable fermionic atoms with large scattering lengths. The experiments were performed with ultracold gases of fermionic 6Li atoms in three different hyperfine states. By tuning the strength of the interactions between the atoms with Feshbach resonances and measuring the rate constants for inelastic three-atom and atom-dimer collisions the intersections of two universal trimer states with the three-atom and atom-dimer continuum could be located. Subsequently, one of these Efimov states was directly observed with RF-association spectroscopy. Using this technique the binding energy of this Efimov state was measured as a function of the strength of the interparticle interactions. The experiments presented in this thesis provide a nearly complete understanding of the universal few-body physics of three-component Fermi gases of 6Li atoms. This understanding will be the foundation for future studies of the many-body physics of three-component Fermi gases.

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 Dates: 2011-06-01
 Publication Status: Accepted / In Press
 Pages: IV, 159 S.
 Publishing info: Heidelberg, Germany : Ruprecht-Karls Universität
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 Rev. Type: -
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 Degree: PhD

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