Collective excitations of atomic Bose-Einstein condensates
Mark Edwards (Georgia Southern University), P.A. Ruprecht, K., Burnett (Oxford University), R.J. Dodd, Charles W. Clark (National, Institute of Standards, Technology)
TL;DR
This paper uses linear-response analysis of the Gross-Pitaevskii equation to accurately predict the excitation frequencies of atomic Bose-Einstein condensates in a specific trap, matching experimental observations.
Contribution
It introduces a theoretical approach that precisely calculates excitation frequencies of BECs in a time-averaged orbiting potential trap, aligning with experimental data.
Findings
Calculated excitation frequencies match experimental results
Validates linear-response analysis for BEC excitations
Provides a reliable theoretical framework for BEC dynamics
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.
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