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2020

Real-time gravitational replicas: Formalism and a variational principle

Colin-Ellerin, Sean, Dong, Xi, Marolf, Donald et al.

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This work is the first step in a two-part investigation of real-time replica wormholes.

Here we study the associated real-time gravitational path integral and construct the variational principle that will define its saddle-points.
We also describe the general structure of the resulting real-time replica wormhole saddles, setting the stage for construction of explicit examples.
These saddles necessarily involve complex metrics, and thus are accessed by deforming the original real contour of integration.

Real-time gravitational replicas: Formalism and a variational principle · Around

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S. Colin-Ellerin, X. Dong, D. Marolf, M. Rangamani and Z. Wang, Real-time gravitational replicas: Low dimensional examples , To appear (2021)

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