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SUMMARY:Cavity-mediated interaction in a quantum gas - From supersolids to
  spin textures - Dr. Tobias Donner\,  ETH Zurich Switzerland 
DTSTART:20180604T143000Z
DTEND:20180604T153000Z
UID:TALK106636@talks.cam.ac.uk
CONTACT:Dr Ulrich Schneider
DESCRIPTION:\nMerging quantum gases with cavity QED allows to engineer lon
 g-range interactions between the atoms. If these interactions are sufficie
 ntly strong\, phase transitions to self-organized crystalline structures o
 f matter and light can take place. We realize a phase transition from a su
 perfluid gas to a supersolid\, where a continuous spatial symmetry is brok
 en. The real-time access to the intra-cavity light fields allows us to dir
 ectly identify the associated phase and amplitude modes. In a different se
 t of experiments\, we exploit the vectorial polarizability of the atoms an
 d observe the formation of a spin texture in a multi-level atomic Bose-Ein
 stein condensate.
LOCATION:Ryle Seminar Room (930) 
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