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hep-th2026
Relational path integral, effective actions and quantum frame covariance in gravity
Sergio E. Aguilar-Gutierrez, Renata Ferrero, Philipp A. Hoehn +1
We propose a relational bundle-geometric formulation of the gravitational path integral by invoking the new tool of quantum reference frames (QRFs), which in gravity are gauge-cova…
gr-qc2026
Generalising gravitationally induced decoherence beyond linear environmental interactions in a microscopic quantum mechanical toy model
Max Joseph Fahn, Renata Ferrero, Kristina Giesel +1
We generalise the quantum mechanical toy model for gravitationally induced decoherence presented in Xu, Blencowe (2022) and Domi et al. (2024). In contrast to earlier formulations,…