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Crossed products and quantum reference frames: on the observer-dependence of gravitational entropy

Abstract A significant step towards a rigorous understanding of perturbative gravitational entropy was recently achieved by a series of works showing that a proper accounting of gauge invariance and observer degrees of freedom converts the Type III algebra of QFT observables in a gravitational subre...

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Bibliografiske detaljer
Main Authors: Julian De Vuyst, Stefan Eccles, Philipp A. Höhn, Josh Kirklin
Format: Artigo
Sprog:Inglês
Udgivet: SpringerOpen 2025-07-01
Serier:Journal of High Energy Physics
Fag:
Online adgang:https://doi.org/10.1007/JHEP07(2025)063
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