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Cited by 219

The DOI matches its Crossref record; 13 of the 13 references it cites were found in a registry or an index.

Integral geometry and holography

Open access
Czech, Bartłomiej, Lamprou, Lampros, McCandlish, Samuel, Sully, James·2015·Journal of High Energy Physics

Abstract

We present a mathematical framework which underlies the connection between information theory and the bulk spacetime in the AdS3/CFT2 correspondence. A key concept is kinematic space: an auxiliary Lorentzian geometry whose metric is defined in terms of conditional mutual informations and which organizes the entanglement pattern of a CFT state. When the field theory has a holographic dual obeying the Ryu-Takayanagi proposal, kinematic space has a direct geometric meaning: it is the space of bulk geodesics studied in integral geometry. Lengths of bulk curves are computed by kinematic volumes, giving a precise entropic interpretation of the length of any bulk curve. We explain how basic geometric concepts — points, distances and angles — are reflected in kinematic space, allowing one to reconstruct a large class of spatial bulk geometries from boundary entanglement entropies. In this way, kinematic space translates between information theoretic and geometric descriptions of a CFT state. As an example, we discuss in detail the static slice of AdS3 whose kinematic space is two-dimensional de Sitter space.

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Metadata

Authors
Czech, B., Lamprou, L., McCandlish, S., & Sully, J.
Venue
Journal of High Energy Physics
Published
2015-10
Volume
2015
Issue
10
ISSN
1029-8479 (ISSN-L)
OpenAlex
W2108508928
Cited by
219
References
13
FWCI
13.62
Type
journal article
Language
en
Open access
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CoChat. (2026). Citation check: Integral geometry and holography. https://app.cochat.ai/papers/10.1007/jhep10(2015)175
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Czech, B., Lamprou, L., McCandlish, S., & Sully, J. (2015). Integral geometry and holography. Journal of High Energy Physics. https://doi.org/10.1007/jhep10(2015)175

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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