Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Log inSign up
Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Blog
Job Board
Q3AS

© 2026 Aqora Quantum S.A.S.

TermsPrivacyLegal Notice

arXiv:cond-mat/0106072 · The European Physical Journal D

Damping and frequency shift in the oscillations of two colliding Bose-Einstein condensates

M. Modugno, C. Fort, P. Maddaloni, F. Minardi, M. Inguscio

Published Dec 1, 2001• 2 citations
arXivHTMLPDF
DOI
10.1007/s100530170009

Related papers

Temperature-Dependent Damping and Frequency Shifts in Collective Excitations of a Dilute Bose-Einstein Condensate

D. S. Jin, M. R. Matthews, J. R. Ensher +2 more

WORLD SCIENTIFIC eBooks•Jan 1, 2008•0 citations

Damping and frequency shift in the oscillations of two colliding Bose-Einstein condensates

Michele Modugno, C. Fort, INGUSCIO, MASSIMO +2 more

We have investigated the center-of-mass oscillations of a Rb87 Bose-Einstein condensate in an elongated magneto-static trap. We start from a trapped condensate and we transfer part of the atoms to another trapped level, by applying a radio-frequency pulse. The new condensate is produced far from its equilibrium position in the magnetic potential, and periodically collides with the parent condensate. We discuss how both the damping and the frequency shift of the oscillations are affected by the mutual interaction between the two condensates, in a wide range of trapping frequencies. The experimental data are compared with the prediction of a mean-field model.

•Jan 1, 2001•1 citation

Dynamics of Colliding Bose-Einstein Condensates

Masahiro O. Takahashi

The International Commission for Optics•May 16, 2017•0 citations

Temperature-Dependent Damping and Frequency Shifts in Collective Excitations of a Dilute Bose-Einstein Condensate

D. S. Jin, M. R. Matthews, J. R. Ensher +2 more

We extend to finite temperature the study of collective excitations of a Bose-Einstein condensate in a dilute gas of ${}^{87}\mathrm{Rb}$. Measurements of two modes with different angular momenta show unexpected temperature-dependent frequency shifts, with very different behavior for the two symmetries; in addition there is a sharp feature in the temperature dependence of one mode. The damping of these excitations exhibits dramatic temperature dependence, with condensate modes at temperatures near the transition damping even faster than analogous noncondensate oscillations.

Physical Review Letters•Feb 3, 1997•372 citations

Macroscopic oscillations between two weakly coupled Bose-Einstein condensates

Augusto Smerzi, Andrea Trombettoni, Teresa Lopez-Arias +4 more

The European Physical Journal B•Feb 1, 2003•30 citations

The nonlinear damping of Bose–Einstein condensate oscillations at ultra-low temperatures

Yu. Kagan, Leonid A. Maksimov

arXiv:cond-mat/0212377•Physics Letters A•Sep 16, 2003•2 citations
We have investigated the center-of-mass oscillations of a Rb87 Bose-Einstein condensate in an elongated magneto-static trap. We start from a trapped condensate and we transfer part of the atoms to another trapped level, by applying a radio-frequency pulse. The new condensate is produced far from its equilibrium position in the magnetic potential, and periodically collides with the parent condensate. We discuss how both the damping and the frequency shift of the oscillations are affected by the mutual interaction between the two condensates, in a wide range of trapping frequencies. The experimental data are compared with the prediction of a mean-field model.
We extend to finite temperature the study of collective excitations of a Bose-Einstein condensate in a dilute gas of 87Rb{}^{87}\mathrm{Rb}87Rb. Measurements of two modes with different angular momenta show unexpected temperature-dependent frequency shifts, with very different behavior for the two symmetries; in addition there is a sharp feature in the temperature dependence of one mode. The damping of these excitations exhibits dramatic temperature dependence, with condensate modes at temperatures near the transition damping even faster than analogous noncondensate oscillations.