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SUMMARY:Ultracold atoms in optical lattices – a versatile quantum simula
 tor for many-body physics - Dr Ulrich Schneider\, University of Munich
DTSTART:20140509T100000Z
DTEND:20140509T110000Z
UID:TALK52515@talks.cam.ac.uk
CONTACT:Leona Hope-Coles
DESCRIPTION:Ultracold atoms combine the high level of experimental control
  and the powerful detection methods available in quantum optical systems w
 ith typical many-body features such as emergent or collective phenomena.  
 \nIn an optical lattice\, they can be used to study e.g. intriguing phenom
 ena known from solid state physics\, such as insulating states\, quantum m
 agnetism and - in the very near future - topological insulators and quantu
 m hall physics. Furthermore\, ultracold atoms offer the potential to creat
 e new phases of matter without known analogons and enable out-of-equilibri
 um studies of many-body systems.\nFollowing a general introduction into op
 tical lattices\, I will focus on three recent examples\, namely the realis
 ation of negative absolute temperatures\, the observation of out-of-equili
 brium dynamics after quantum quenches\, and the measurement of local topol
 ogical properties in a Graphene-type hexagonal lattice. I will close with 
 an outlook into the future\, where we will introduce novel interactions an
 d disorder into these systems.\n
LOCATION:Pippard Lecture Theatre\, Cavendish Laboratory\, Department of Ph
 ysics
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