Spacetime equals entanglement

Yasunori Nomura

doi:10.1016/j.physletb.2016.10.045

2016-12-01

DOI：10.1016/j.physletb.2016.10.045

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摘要

En 中文

We study the Hilbert space structure of classical spacetimes under the assumption that entanglement in holographic theories determines semiclassical geometry. We show that this simple assumption has profound implications; for example, a superposition of classical spacetimes may lead to another classical spacetime. Despite its unconventional nature, this picture admits the standard interpretation of superpositions of well-defined semiclassical spacetimes in the limit that the number of holographic degrees of freedom becomes large. We illustrate these ideas using a model for the holographic theory of cosmological spacetimes. (C) 2016 The Authors. Published by Elsevier B. V.

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期刊

Physics Letters B

IF:

4.5

论文数:

3.2W

被引数:

7.3W

机构

University of California System

学者数:

37.7W

论文数: 33.8W

被引数: 6.6K

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