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SUMMARY:The Information Paradox and String Theory - David Turton (IPhT\, C
 EA Saclay)
DTSTART:20160506T120000Z
DTEND:20160506T130000Z
UID:TALK63795@talks.cam.ac.uk
CONTACT:43345
DESCRIPTION:The Information Paradox is a sharp and profound problem\, whic
 h poses a strong consistency challenge for any quantum theory of gravity\,
  and which has recently received much renewed interest. The study of black
  hole microstates in string theory offers the potential to resolve this pa
 radox. Of particular interest are BPS and near-BPS D1-D5-P bound states in
  string theory\, which can be studied holographically. I will first review
  the Information Paradox\, and the status of our knowledge of three-charge
  black hole microstates. I will then present work which identifies the CFT
  description of a class of BPS and non-BPS D1-D5-P supergravity solutions\
 , including both regular solutions and solutions with conical defects. The
  CFT states exhibit the important feature that the momentum charge is frac
 tionated. I will then describe recent work on constructing more general cl
 asses of black hole microstate geometries which are dual to CFT states inv
 olving fractionated momentum. I will close with a discussion of the physic
 s of an observer falling into a black hole.
LOCATION:Pavilion B Potter Room (B1.19)
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