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SUMMARY:Quantum Information and Relativistic Causality: distinguishing qua
 ntum states instantaneously - Boris Groisman (CQIF\, DAMTP\, University of
  Cambridge)
DTSTART:20200214T120000Z
DTEND:20200214T130000Z
UID:TALK139747@talks.cam.ac.uk
CONTACT:Adrian Kent
DESCRIPTION:Consider a non-local variable\, that is a property associated\
 nwith quantum state(s) of several particles distributed in space. Can we\n
 measure such variables instantaneously\, that is in a space-like setting\n
 (without communicating classically between the sites)? Relativistic\nCausa
 lity imposes certain restrictions on what can be measured\, but\n(perhaps 
 surprisingly) allows some flexibility. In this talk I will\npresent a brie
 f review of some historic and (relatively) recent\ndevelopments and discus
 s interesting concepts and ideas which arise\nalong the way.
LOCATION:MR15\, Centre for Mathematical Sciences\, Wilberforce Road\, Camb
 ridge
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