Ultra-cold fermions in optical lattices

Details Ultra-cold fermions in optical lattices Ultra-cold fermions in optical lattices

2005-04-28

arxiv.org/abs/cond-mat/0504742v1

Physics

Condensed Matter

Other Condensed Matter

To appear, Journal of Modern Optics

Scientific paper

10.1080/09500340500275926

We summarize recent theoretical results for the signatures of strongly correlated ultra-cold fermions in optical lattices. In particular, we focus on: collective mode calculations, where a sharp decrease in collective mode frequency is predicted at the onset of the Mott metal-insulator transition; and correlation functions at finite temperature, where we employ a new exact technique that applies the stochastic gauge technique with a Gaussian operator basis.

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