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SUMMARY:Holographic entanglement plateaux - Hubeny\, V (University of Durh
 am)
DTSTART:20130919T080000Z
DTEND:20130919T084500Z
UID:TALK47248@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:Co-authors: Henry Maxfield (Durham)\, Mukund Rangamani (Durham
 )\, Erik Tonni (SISSA) \n\nWe discuss holographic entanglement entropy in 
 Lorentzian bulk geometries\, contrasting the Ryu-Takayanagi minimal surfac
 e prescription with the Hubeny-Rangamani-Takayanagi extremal surface presc
 ription. The former guarantees that entanglement entropy is continuous (th
 ough not necessarily differentiable) function of region size. We discuss c
 onditions leading to saturating the Araki-Lieb inequality giving rise to a
 n 'entanglement plateau' and conclude with open questions related to the h
 omology constraint.\n
LOCATION:Seminar Room 1\, Newton Institute
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