Publicação: The behavior of the gravitational field near the initial singularity
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The ultralocal representation of the canonically quantized gravitational field is used to obtain the evolution of coherent states in the immediate neighborhood of the singularity. It is shown that smearing functions play the role of classical fields since they correspond to cosmological solutions around the singularity. A special class of ultralocal coherent states is shown to contain the essential aspects of the dynamics of the system when we choose a simple representation for the field operators of the theory. When the ultralocality condition is broken a conjecture will be made about the quantum evolution of coherent states in the classical limit. © 1986 Plenum Publishing Corporation.
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General Relativity and Gravitation, v. 18, n. 3, p. 287-308, 1986.
