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I will review some

recent progress in understanding how entanglement entropy is computed in holography. I will show that under certain circumstances the entanglement entropy can be associated directly with the Gibbons-Hawking term in general relativity. Then I will show how to derive the Jacobson-Myers area functional for Lovelock gravity from a first principles approach proposed by Lewkowycz and Maldacena. Using a regularization of squashed cones, I will demonstrate that Wald entropy in the Fefferman-Graham background of the squashed cones can capture the correct universal terms. Finally if time permits, I will examine how entanglement entropy can be used to constrain gravity theories.

Event Type:

Seminar

Collection/Series:

Scientific Area(s):

Speaker(s):

Event Date:

Friday, October 4, 2013 - 15:00 to 16:30

Location:

Bob Room

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