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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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Detalhes bibliográficos
Main Authors: Julian De Vuyst, Stefan Eccles, Philipp A. Höhn, Josh Kirklin
Formato: Artigo
Idioma:Inglês
Publicado em: SpringerOpen 2025-07-01
Colecção:Journal of High Energy Physics
Assuntos:
Acesso em linha:https://doi.org/10.1007/JHEP07(2025)063
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