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SUMMARY:Magnetic Phenomena in a Spin-1 Bose Gas - Sabrina Leslie (UC Berke
 ley)
DTSTART:20080711T130000Z
DTEND:20080711T143000Z
UID:TALK12800@talks.cam.ac.uk
CONTACT:6270
DESCRIPTION:Ultracold atomic gases serve as platform for studies of quantu
 m dynamics and many-body quantum phases.  Among these ultracold atomic sys
 tems\,gaseous spinor Bose Einstein condensates provide a compelling opport
 unity to access the dynamical properties of a magnetic superfluid and the 
 myriad phases associated with its magnetization degree of freedom. We have
  studied such a\ngas in situ using a magnetization sensitive imaging metho
 d. We have identified a quantum phase transition in these gases between a 
 paramagnetic and a ferromagnetic phase\, and have studied the dynamics of 
 a gas that is suddenly quenched across this transition. Magnetic dipole in
 teractions are strongly relevant to the properties of a spin-1 rubidium qu
 antum fluid. We\nhave begun probing the consequence of these interactions 
 for its equilibrium\nphase diagram as well as the evolution of spin textur
 es in a spinor condensate.\n\n
LOCATION:HEP Seminar Room (980) Rutherford Building\, Cavendish Laboratory
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