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gr-qc2025
Universality of free fall in Planck-scale deformed Newtonian gravity
Giuseppe Fabiano, Domenico Frattulillo, Christian Pfeifer +1
The universality of free fall is one of the most cherished principles in classical gravity. Its fate in the quantum world is one of the key questions in fundamental physics. We inv…
gr-qc2024★ 4 cited
Weak equivalence principle and nonrelativistic limit of general dispersion relations
Manuel Hohmann, Christian Pfeifer, Fabian Wagner
We study the weak equivalence principle in the context of modified dispersion relations, a prevalent approach to quantum gravity phenomenology. We find that generic modified disper…