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Journal Articles Physical Review A : Atomic, molecular, and optical physics Year : 2010

Thermometry and signatures of strong correlations from Raman spectroscopy of fermionic atoms in optical lattices

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Abstract

A method is proposed to directly measure the temperature of a gas of weakly interacting fermionic atoms loaded into an optical lattice. This technique relies on Raman spectroscopy and is applicable to experimentally relevant temperature regimes. Additionally, a similar spectroscopy scheme can be used to obtain information on the quasiparticle properties and Hubbard bands of the metallic and Mott-insulating states of interacting fermionic spin mixtures. These two methods provide experimentalists with probes to accurately characterize fermionic quantum gases confined to optical lattices
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hal-00746829 , version 1 (07-12-2015)

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Jean-Sebastien Bernier, Tung-Lam Dao, Corinna Kollath, Antoine Georges, Pablo Cornaglia. Thermometry and signatures of strong correlations from Raman spectroscopy of fermionic atoms in optical lattices. Physical Review A : Atomic, molecular, and optical physics, 2010, 81 (6), pp.063618. ⟨10.1103/PhysRevA.81.063618⟩. ⟨hal-00746829⟩
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