University of Birmingham > Talks@bham > Cold Atoms > Quantum hydrodynamics with Bose-Einstein condensates: Quantum shocks, counterflow, and novel types of solitons

Quantum hydrodynamics with Bose-Einstein condensates: Quantum shocks, counterflow, and novel types of solitons

Add to your list(s) Download to your calendar using vCal

  • UserPeter Engels (Washington State University)
  • ClockFriday 20 July 2012, 14:00-15:00
  • HousePhysics East 217.

If you have a question about this talk, please contact Vincent Boyer.

Systems of trapped atoms cooled to ultracold temperatures provide a valuable tool for the exploration of quantum hydrodynamics. In our experiments we investigate the dynamics of single- and two-component dilute-gas Bose-Einstein condensates (BECs) that are confined in a narrow channel. Surprisingly rich dynamics are observed, including dispersive shock waves, modulational instability, and various types of solitons. By exploiting superfluid-superfluid counterflow we can generate trains of dark-bright solitons, as well as beating dark-dark solitons. The latter structures have never before been observed in matter-waves and show interesting dynamics during which they periodically change their structure. The nonlinear behavior of BECs is of wide interest to a number of other fields as well, such as nonlinear optics.

This talk is part of the Cold Atoms series.

Tell a friend about this talk:

This talk is included in these lists:

Note that ex-directory lists are not shown.

 

Talks@bham, University of Birmingham. Contact Us | Help and Documentation | Privacy and Publicity.
talks@bham is based on talks.cam from the University of Cambridge.