期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 4, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP04(2021)185
关键词
AdS-CFT Correspondence; Conformal Field Theory; Gauge-gravity correspondence
资金
- National Science and Engineering Research Council
- Natural Sciences and Engineering Research Council of Canada
- Simons Foundation
- It From Qubit Collaboration grant
The paper explains approximating states of a holographic CFT by states of non-interacting BCFTs and reintroducing couplings to make wormholes traversable, creating an intermediate class of geometries.
The recent paper [1] described how states of a holographic CFT can be approximated by states of a large collection of non-interacting BCFTs, such that the dual of the new system accurately approximates an arbitrarily large causal patch of the original geometry. In this paper, we first describe in more detail the geometries dual to such discrete BCFT systems, emphasizing that they are multi-boundary wormholes in which it is not possible to move causally between different asymptotic regions. By reintroducing couplings between the BCFTs in various ways, we show that the wormholes can be made traversable, giving an intermediate class of geometries that interpolate between the multi-boundary wormhole and the original geometry that it approximates.
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