2 papers
quant-ph2026
Wave packets from the spectrum
ChunJun Cao, Oliver Friedrich, Marin Girard +2
The freedom to change Fock basis seems to ensure a minimum amount of locality in lattice theories in the following sense: If for $i…
gr-qc2025
Emergence of Gravitational Potential and Time Dilation from Non-interacting Systems Coupled to a Global Quantum Clock
Ashmeet Singh, Oliver Friedrich
We study gravitational back-reaction within the Page-Wootters formulation of quantum mechanics by treating time as a quantum degree of freedom. Our model introduces a distinction b…