A lightbulb-and-mirror protocol defines diffeomorphism-invariant elapsed proper time, and its leading quantum gravity correction makes the time a noncommuting quantum operator.
On the radar method in general-relativistic spacetimes
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
abstract
If a clock, mathematically modeled by a parametrized timelike curve in a general-relativistic spacetime, is given, the radar method assigns a time and a distance to every event which is sufficiently close to the clock. Several geometric aspects of this method are reviewed and their physical interpretation is discussed.
citation-role summary
background 1
citation-polarity summary
fields
hep-th 1years
2025 1verdicts
CONDITIONAL 1roles
background 1polarities
background 1representative citing papers
citing papers explorer
-
Observer Time from Causality in Perturbative Quantum Gravity
A lightbulb-and-mirror protocol defines diffeomorphism-invariant elapsed proper time, and its leading quantum gravity correction makes the time a noncommuting quantum operator.