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Building up spacetime with quantum entanglement

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Abstract

In this essay, we argue that the emergence of classically connected spacetimes is intimately related to the quantum entanglement of degrees of freedom in a non-perturbative description of quantum gravity. Disentangling the degrees of freedom associated with two regions of spacetime results in these regions pulling apart and pinching off from each other in a way that can be quantified by standard measures of entanglement.

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Authors and Affiliations

  1. Department of Physics and Astronomy, University of British Columbia, 6224 Agricultural Road, Vancouver, BC, V6T 1W9, Canada

    Mark Van Raamsdonk

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  1. Mark Van Raamsdonk
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Correspondence to Mark Van Raamsdonk.

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First Award in the 2010 Essay Competition of the Gravity Research Foundation.

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Van Raamsdonk, M. Building up spacetime with quantum entanglement. Gen Relativ Gravit 42, 2323–2329 (2010). https://doi.org/10.1007/s10714-010-1034-0

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  • DOI: https://doi.org/10.1007/s10714-010-1034-0

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