958 citations · 6.3k across the 174 of their papers we have counts for
9 papers · 1 filter
Consistent discretization and loop quantum geometry
Rodolfo Gambini, Jorge Pullin
We apply the ``consistent discretization'' approach to general relativity leaving the spatial slices continuous. The resulting theory is free of the diffeomorphism and Hamiltonian…
Unified model of loop quantum gravity and matter
R. Gambini, S. Jay Olson, J. Pullin
We reconsider the unified model of gravitation and Yang--Mills interactions proposed by Chakraborty and Peldán, in the light of recent formal developments in loop quantum gravity.…
Fundamental decoherence from relational time in discrete quantum gravity: Galilean covariance
Rodolfo Gambini, Rafael Porto, Jorge Pullin
We have recently argued that if one introduces a relational time in quantum mechanics and quantum gravity, the resulting quantum theory is such that pure states evolve into mixed s…
Realistic clocks, universal decoherence and the black hole information paradox
Rodolfo Gambini, Rafael Porto, Jorge Pullin
Ordinary quantum mechanics is formulated on the basis of the existence of an ideal classical clock external to the system under study. This is clearly an idealization. As emphasize…
Dirac-like approach for consistent discretizations of classical constrained theories
Cayetano Di Bartolo, Rodolfo Gambini, Rafael Porto +1
We analyze the canonical treatment of classical constrained mechanical systems formulated with a discrete time. We prove that under very general conditions, it is possible to intro…
No black hole information puzzle in a relational universe
Rodolfo Gambini, Rafael Porto, Jorge Pullin
The introduction of a relational time in quantum gravity naturally implies that pure quantum states evolve into mixed quantum states. We show, using a recently proposed concrete im…