3 papers
hep-th2025
The Problem of Time and its Quantum Resolution
Marc S. Klinger, Robert G. Leigh
In this essay, we argue that the problem of time should not be regarded as an issue to be resolved within the prevailing framework for studying quantum gravity, but rather as an in…
hep-th2024
Emergent Geometry from Quantum Probability
Shadi Ali Ahmad, Marc S. Klinger
Carrying the insights of conditional probability to the quantum realm is notoriously difficult due to the non-commutative nature of quantum observables. Nevertheless, conditional e…
hep-th2024
Quantum Reference Frames from Top-Down Crossed Products
Shadi Ali Ahmad, Wissam Chemissany, Marc S. Klinger +1
All physical observations are made relative to a reference frame, which is a system in its own right. If the system of interest admits a group symmetry, the reference frame observi…