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Comments on wormholes and factorization
Phil Saad, Stephen Shenker, Shunyu Yao
In AdS/CFT partition functions of decoupled copies of the CFT factorize. In bulk computations of such quantities contributions from spacetime wormholes which link separate asymptot…
Subleading Weingartens
Douglas Stanford, Zhenbin Yang, Shunyu Yao
Haar integrals over the unitary group contain subleading terms that are needed for unitarity. We study analogous effects in the time evolution operators of JT gravity and Brownian…
Wormholes without averaging
Phil Saad, Stephen H. Shenker, Douglas Stanford +1
After averaging over fermion couplings, SYK has a collective field description that sometimes has "wormhole" solutions. We study the fate of these wormholes when the couplings are…