Collective Excitations of Atomic Bose-Einstein Condensates

Mark Edwards; P. A. Ruprecht; K. Burnett; R. J. Dodd; Charles W. Clark

doi:10.1103/PhysRevLett.77.1671

Collective Excitations of Atomic Bose-Einstein Condensates

Mark Edwards, P. A. Ruprecht, K. Burnett, R. J. Dodd, and Charles W. Clark

Phys. Rev. Lett. 77, 1671 – Published 26 August 1996

Abstract

We apply linear-response analysis of the Gross-Pitaevskii equation to obtain the excitation frequencies of a Bose-Einstein condensate confined in a time-averaged orbiting potential trap. Our calculated values are in excellent agreement with those observed in a recent experiment.

Received 23 May 1996

DOI:https://doi.org/10.1103/PhysRevLett.77.1671

Authors & Affiliations

Mark Edwards^*

Department of Physics, Georgia Southern University, Statesboro, Georgia 30460-8031

P. A. Ruprecht and K. Burnett^*

Clarendon Laboratory, Department of Physics, University of Oxford, Parks Road, Oxford OX1 3PU, United Kingdom

R. J. Dodd^† and Charles W. Clark

Electron and Optical Physics Division, National Institute of Standards and Technology, Technology Administration, U. S. Department of Commerce, Gaithersburg, Maryland 20899

^*Also at Physics Laboratory, National Institute of Standards and Technology, Technology Administration, U.S. Department of Commerce, Gaithersburg, MD 20899.
^†Also at Institute for Physical Science and Technology, University of Maryland at College Park, College Park, MD 20742.