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added the following – who would have thought we get to this point on our lifetime:
JT-gravity gives a good approximation to the AdS-factor in the near horizon geometry of near-extremal black holes in -dimensional spacetime (NSST18, MTV18).
Via the AdS/CFT-dual of JT-gravity given by random matrix theory (Stanford-Witten 19) this allows to compute genuine quantum gravity-aspects of near-extremal black holes, such as notably their microscopic black hole entropy. Computations are now under way…
Notice that near-extremal black holes have been observed in nature, by the Chandra telescope see eg here.
added pointer to today’s
added this pointer:
Realization of JT-gravity as Kaluza-Klein reduction of D=6 supergravity on the worldvolume of D1-D5 brane bound states or M2-M5 brane bound states:
Anonymous
also this one:
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also pointer to
added pointer to today’s
added pointer to this recent preprint:
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