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SUMMARY:Entanglement in Quantum Field Theory - John Cardy (Oxford)
DTSTART:20131204T141500Z
DTEND:20131204T151500Z
UID:TALK48140@talks.cam.ac.uk
CONTACT:Dr Joan Camps
DESCRIPTION:Entanglement is a characteristic property of quantum systems. 
 In a relativistic quantum field theory\, even the vacuum state is entangle
 d. Quantifying the amount of entanglement between different regions of spa
 ce gives fresh insight into the nature of quantum field theories\, and of 
 the many-body condensed matter systems whose long-distance physics they ca
 pture. \nIn this talk I show how various measures of entanglement can be c
 omputed using the Feynman path integral approach\, and describe various an
 alytic results that have been obtained both in two\, and higher dimensions
  of space-time.
LOCATION:MR2\, Centre for Mathematical Sciences
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