83 citations · 197 across the 10 of their papers we have counts for
4 papers · 1 filter
Path Integrals and Instantons in Quantum Gravity
Donald Marolf
While there does not at this time exist a complete canonical theory of full 3+1 quantum gravity, there does appear to be a satisfactory canonical quantization of minisuperspace mod…
On Relativistic Material Reference Systems
J. David Brown, Donald Marolf
This work closes certain gaps in the literature on material reference systems in general relativity. It is shown that perfect fluids are a special case of DeWitt's relativistic ela…
Conservation Laws in the Quantum Mechanics of Closed Systems
James B. Hartle, Raymond Laflamme, Donald Marolf
We investigate conservation laws in the quantum mechanics of closed systems. We review an argument showing that exact decoherence implies the exact conservation of quantities that…
Models of Particle Detection in Regions of Spacetime
Donald Marolf
We investigate two models of measuring devices designed to detect a non-relativistic free particle in a given region of spacetime. These models predict different probabilities for…