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SUMMARY:Many-body state preparation and quantum simulation with cold atoms
  - Prof. Andrew Daley\, University of Strathclyde
DTSTART:20140612T131500Z
DTEND:20140612T141500Z
UID:TALK49720@talks.cam.ac.uk
CONTACT:Gareth Conduit
DESCRIPTION:Ultracold atoms in optical lattices have opened new opportunit
 ies for exploring models from many-body physics in recent years. Not only 
 do these systems offer possibilities to engineer a range of Hamiltonian mo
 dels and study the corresponding quantum phases\, but they also open the d
 oor to exploration of out-of-equilibrium many-body dynamics. At the same t
 ime\, quantum simulation with these systems raises several important chall
 enges. These include (i) how to engineer many-body states with sufficientl
 y low temperatures and entropies to observe sensitive many-body phenomena\
 , and (ii) how to make use of the unique properties of these atomic physic
 s systems to go beyond many-body physics that is studied in other areas (e
 .g.\, solid state physics).\n\nI will discuss some of our recent theoretic
 al work that sets about addressing some of these challenges. In particular
 \, I will present new adiabatic state preparation schemes for the producti
 on of magnetically ordered states of cold atoms\, and analyse their robust
 ness to technical noise and other heating sources\, including spontaneous 
 emissions. I will also describe new ideas to engineer dominant three-body 
 interactions with cold atoms in optical lattices by using photon-assisted 
 tunnelling processes.
LOCATION:TCM Seminar Room\, Cavendish Laboratory
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