Decay and revival of a transient trapped Fermi condensate

Timothy Harrison, Martin Link, Alexandra Behrle, Kuiyi Gao, Andreas Kell, Johannes Kombe, Jean-Sébastien Bernier, Corinna Kollath, Michael Köhl

Research output: Contribution to journalArticlepeer-review


We study experimentally and theoretically the response of a two-component Fermi condensate in the strongly interacting regime to a quench of the interaction strength. The quench is realized using a radiofrequency π-pulse to a third internal level with a different interaction strength. We find that the quench excites the monopole mode of the trap in the hydrodynamic regime, and that an initial change of the condensate properties takes place on a timescale comparable or even larger than the quasiparticle relaxation time.

Original languageEnglish
Article number023205
Number of pages7
JournalPhysical Review Research
Issue number2
Publication statusPublished - 11 Jun 2021


  • spectroscopy
  • quantum
  • Fermi condensate
  • quench


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