Spin excitations in a Fermi gas of atoms

B. DeMarco, D. S. Jin

Research output: Contribution to journalArticlepeer-review


Spin excitation in a quantum degenerate Fermi gas of atoms was experimentally investigated. The damping time of the collective excitation in the hydrodynamics regime was used to probe the interplay between interactions and quantum statistics in a Fermi gas of atoms. The excitation damping time was found to be reduced by factor of 2 at temperatures below the Fermi temperature compared to the classical excitation. A strong energy dependence on excitation energy was observed for the quantum statistical effect.

Original languageEnglish (US)
Article number040405
Pages (from-to)404051-404054
Number of pages4
JournalPhysical review letters
Issue number4
StatePublished - Jan 28 2002
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy


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