459 citations · 1.2k across the 7 of their papers we have counts for
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gr-qc1994★ 459 cited
Dust as a Standard of Space and Time in Canonical Quantum Gravity
J. D. Brown, K. V. Kuchar
The coupling of the metric to an incoherent dust introduces into spacetime a privileged dynamical reference frame and time foliation. The comoving coordinates of the dust particles…
gr-qc1994★ 397 cited
Geometrodynamics of Schwarzschild Black Holes
Karel V. Kuchař
The curvature coordinates of a Schwarz\-schild spacetime are turned into canonical coordinates on the phase space of spherically symmetric black holes. The…