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Gravity and Horizon Entropy – Ted Jacobson

Date: Fri. April 8th, 2005, 11:30 am-12:30 pm
Location: Rockefeller 221

I will argue that if (i) entanglement entropy density across any surface is a universal finite constant η, and (ii) local Lorentz symmetry holds, then the spacetime metric must satisfy the Einstein equation, with Newton’s constant equal to 1/(4 hbar η). I will then discuss the nature of black hole entropy in light of this result.

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