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SUMMARY:Entanglement Percolation with Bipartite Mixed States - Dr Dieter J
 aksch\, University of Oxford
DTSTART:20091112T141500Z
DTEND:20091112T154500Z
UID:TALK19396@talks.cam.ac.uk
CONTACT:Joe Bhaseen
DESCRIPTION:I will develop a concept of entanglement percolation for long-
 distance singlet generation in quantum networks where neighbouring nodes a
 re connected by partially entangled bipartite mixed states. I will give a 
 necessary and sufficient condition on the class of mixed network states fo
 r the generation of singlets. I will discuss that neighbouring nodes are r
 equired to be connected by multiple partially entangled states to achieve 
 entanglement percolation. Furthermore I will\ndevise a rich variety of dis
 tillation protocols for the conversion of these mixed states into singlets
 . Finally\, I will introduce possible further improvements achievable by u
 sing quantum strategies including generalized forms of entanglement swappi
 ng.\n\n\n
LOCATION:TCM Seminar Room\, Cavendish Laboratory
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