Dynamical response of a Bose-Einstein condensate to a discontinuous change in internal state
Condensed Matter
2009-10-31 v2
Abstract
A two-photon transition is used to convert an arbitrary fraction of the 87Rb atoms in a |F=1,m_f=-1> condensate to the |F=2,m_f=1> state. Transferring the entire population imposes a discontinuous change on the condensate's mean-field repulsion, which leaves a residual ringing in the condensate width. A calculation based on Gross-Pitaevskii theory agrees well with the observed behavior, and from the comparison we obtain the ratio of the intraspecies scattering lengths for the two states, a_|1,-1> / a_|2,1> = 1.062(12).
Keywords
Cite
@article{arxiv.cond-mat/9803310,
title = {Dynamical response of a Bose-Einstein condensate to a discontinuous change in internal state},
author = {M. R. Matthews and D. S. Hall and D. S. Jin and J. R. Ensher and C. E. Wieman and E. A. Cornell and F. Dalfovo and C. Minniti and S. Stringari},
journal= {arXiv preprint arXiv:cond-mat/9803310},
year = {2009}
}
Comments
4 pages, 3 figures