Observation of Elastic Doublon Decay in the Fermi-Hubbard Model

We investigate the decay of highly excited states of ultracold fermions in a three-dimensional optical lattice. Starting from a repulsive Fermi-Hubbard system near half filling, we generate additional doubly occupied sites (doublons) by lattice modulation. The subsequent relaxation back to thermal e...

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Veröffentlicht in:	arXiv.org 2010-03
Hauptverfasser:	Strohmaier, Niels, Greif, Daniel, Jördens, Robert, Tarruell, Leticia, Moritz, Henning, Esslinger, Tilman, Sensarma, Rajdeep, Pekker, David, Altman, Ehud, Demler, Eugene
Format:	Artikel
Sprache:	eng
Schlagworte:	Decay Fermions Kinetic energy Many body interactions Optical lattices Physics - Other Condensed Matter Physics - Quantum Gases Physics - Strongly Correlated Electrons Scattering
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