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gr-qc2024★ 5 cited
Anomalous contribution to galactic rotation curves due to stochastic spacetime
Jonathan Oppenheim, Andrea Russo
We consider a proposed alternative to quantum gravity, in which the spacetime metric is treated as classical, even while matter fields remain quantum. Consistency of the theory nec…
gr-qc2024
Diffeomorphism invariant classical-quantum path integrals for Nordstrom gravity
Jonathan Oppenheim, Andrea Russo, Zachary Weller-Davies
When classical degrees of freedom and quantum degrees of freedom are consistently coupled, the former diffuse, while the latter undergo decoherence. Here, we construct a theory of…