Article

Abstract

• We report on measurements of the excitation spectrum of a strongly interacting Bose-Einstein condensate. A magnetic-field Feshbach resonance is used to tune atom-atom interactions in the condensate and to reach a regime where quantum depletion and beyond mean-field corrections to the condensate chemical potential are significant. We use two-photon Bragg spectroscopy to probe the condensate excitation spectrum; our results demonstrate the onset of beyond mean-field effects in a gaseous Bose-Einstein condensate.

Creator

• Papp, S. B.
• Ronen, S.
• Jin, Deborah S.
• Wieman, Carl E.
• Wild, R. J.
• Cornell, Eric A.
• Pino, J. M.

Date Issued

• 2008-09-22

Academic Affiliation

• Physics

Journal Title

• Physical Review Letters

Journal Issue/Number

• 13

Journal Volume

• 101

File Extent

• 135301-1-135301-4

Última modificación

• 2019-12-05

Resource Type

• Article

Declaración de derechos

• In Copyright

DOI

• 10.1103/PhysRevLett.101.135301

ISSN

• 0031-9007

Language

• English [eng]

Relaciones

Elementos

Miniatura	Título	Fecha de subida	Visibilidad	Acciones
	braggSpectroscopyOfAStronglyInteracting85RbBoseEinsteinC.pdf	2019-12-05	Público	Descargar