Direct observation of the phonon energy in a Bose-Einstein condensate by tomographic imaging

Roee Ozeri*, Jeff Steinhauer, Nadav Katz, Nir Davidson

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

44 Scopus citations

Abstract

The interaction energy of phonons in a Bose-Einstein condensate was directly measured by computerized tomography of TOF images. The measured energy agreed with the predicted Bogoliubov spectrum in the LDA. Hydrodynamic simulations of the release process were consistent with the experimental findings.

Original languageAmerican English
Article number220401
Pages (from-to)220401/1-220401/4
JournalPhysical Review Letters
Volume88
Issue number22
StatePublished - 3 Jun 2002
Externally publishedYes

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