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SUMMARY:Correlations in an expanding gas of hard-core bosons - Dr Dimitri 
 Gangardt\, University of Birmingham
DTSTART:20080529T131500Z
DTEND:20080529T144500Z
UID:TALK11323@talks.cam.ac.uk
CONTACT:Joe Bhaseen
DESCRIPTION:We consider a longitudinal expansion of a one-dimensional gas 
 of hard-core bosons suddenly released from a trap. We show that the broken
  translational invariance in the initial state of the system is encoded in
  correlations between the bosonic occupation numbers in the momentum space
 . The correlations are protected by the integrability and exhibit no relax
 ation during the expansion.
LOCATION:TCM Seminar Room\, Cavendish Laboratory
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