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Probing the quantum nature of spacetime by diffusion

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Many approaches to quantum gravity have resorted to diffusion processes to characterize the spectral properties of the resulting quantum spacetimes. We critically discuss these quantum-improved diffusion equations and point out that a crucial property, namely positivity of their solutions, is not pr...

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Main Authors: Calcagni, Gianluca (Author) , Eichhorn, Astrid (Author) , Saueressig, Frank (Author)
Format: Article (Journal)
Language:English
Published: 24 June 2013
In: Physical review. D, Particles, fields, gravitation, and cosmology
Year: 2013, Volume: 87, Issue: 12
ISSN:1550-2368
DOI:10.1103/PhysRevD.87.124028
Online Access:Verlag, Volltext: http://dx.doi.org/10.1103/PhysRevD.87.124028
Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevD.87.124028
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Author Notes:Gianluca Calcagni, Astrid Eichhorn, and Frank Saueressig
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Probing the quantum nature of spacetime by diffusion by Calcagni, Gianluca (Author) , Eichhorn, Astrid (Author) , Saueressig, Frank (Author) ,


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