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SUMMARY:Retrocausality - what would it take? - Huw Price (University of Ca
 mbridge)
DTSTART:20120301T141500Z
DTEND:20120301T151500Z
UID:TALK35411@talks.cam.ac.uk
CONTACT:Paul Skrzypczyk
DESCRIPTION:Some writers argue that retrocausality offers an attractive lo
 ophole in Bell's Theorem\, allowing an explanation of EPR-Bell correlation
 s without "spooky action-at-a-distance." This idea originated more than a 
 decade before Bell's famous result\, when de Broglie's student\, Olivier C
 osta de Beauregard\, first proposed that retrocausality plays a role in EP
 R contexts. The proposal is difficult to assess\, because there has been l
 ittle work on the general question of what a world with retrocausality wou
 ld "look like" - what kinds of considerations\, if any\, would properly le
 ad to the conclusion that we do live in such a world. In this talk I discu
 ss these general issues\, with the aim of bringing the more specific quest
 ion as to whether quantum theory implies retrocausality into sharper focus
  than has hitherto been possible. (The talk will go through the central ar
 gument from my paper http://arxiv.org/abs/1002.0906 -- there is quite a bi
 t in that paper that I won't talk about\, but I'm happy to discuss any of 
 it in Q&A\, if anyone wants to raise it.)
LOCATION:MR4\, Centre for Mathematical Sciences
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