Physics of ultracold Fermi gases revealed by spectroscopies

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Abstract

This article provides a brief review of how various spectroscopies have been used to investitage many-body quantum phenomena in the context of ultracold Fermi gases. In particular, work done with RF spectroscopy, Bragg spectroscopy and lattice modulation spectroscopy is considered. The theoretical basis of these spectroscopies, namely linear response theory in the many-body quantum physics context is briefly presented. Experiments related to the BCS-BEC crossover, imbalanced Fermi gases, polarons, possible pseudogap and Fermi liquid behaviour and measuring the contact are discussed. Remaining open problems and goals in the field are sketched from the perspective how spectroscopies could contribute.

Details

Original languageEnglish
Article number043006
Pages (from-to)1-19
JournalPhysica Scripta
Volume91
Issue number4
Publication statusPublished - 22 Mar 2016
MoE publication typeB1 Article in a scientific magazine

    Research areas

  • BCS-BEC crossover, Bragg spectroscopy, Imbalanced Fermi gases, Lattice modulation spectroscopy, RF spectroscopy, Ultracold Fermi gases, Ultracold quantum gases

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