Fluid Entropy as Time-Variable in Canonical Quantum Gravity

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dc.creatorCianfrani, Francesco
dc.creatorMontani, Giovanni
dc.creatorZonetti, Simone
dc.date2009-04-03
dc.date2009-04-07
dc.date.accessioned2026-07-07T13:00:36Z
dc.date.available2026-07-07T13:00:36Z
dc.descriptionThe Brown-Kuchař mechanism is applied in the case of General Relativity coupled with the Schutz' model for a perfect fluid. Using the canonical formalism and manipulating the set of modified constraints one is able to recover the definition of a time evolution operator, i.e. a physical Hamiltonian, expressed as a functional of gravitational variables and the entropy.
dc.description5 pages, Proceedings of The 3rd Stueckelberg Workshop on Relativistic Field Theories
dc.identifierhttps://arxiv.org/abs/0904.0521
dc.identifierhttp://arxiv.org/abs/0904.0521
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/225888
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titleFluid Entropy as Time-Variable in Canonical Quantum Gravity
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