Collective excitations of a Bose-Einstein condensate in an anharmonic trap

Details Collective excitations of a Bose-Einstein condensate in an anharmonic trap Collective excitations of a Bose-Einstein condensate in an anharmonic trap

2006-07-14

arxiv.org/abs/cond-mat/0607361v3

Phys. Rev. A 74, 055601 (2006)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 4 figures

Scientific paper

10.1103/PhysRevA.74.055601

We investigate the collective excitations of a one-dimensional Bose-Einstein condensate (BEC) with repulsive interaction between atoms in a quadratic plus quartic trap. By using the variational approach, the coupled equations of motion for the center-of-mass coordinate of the condensate and its width are derived. Then, two low-energy excitation modes are obtained analytically. The frequency shift induced by the anharmonic distortion, and the collapse and revival of the collective excitations, which originate from the nonlinear coupling between the two modes, are discussed.

Affiliated with

Also associated with

No associations

Rating

Collective excitations of a Bose-Einstein condensate in an anharmonic trap does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Collective excitations of a Bose-Einstein condensate in an anharmonic trap, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Collective excitations of a Bose-Einstein condensate in an anharmonic trap will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-96915