Troubles with quantum anisotropic cosmological models: loss of unitarity

Details Troubles with quantum anisotropic cosmological models: loss of unitarity Troubles with quantum anisotropic cosmological models: loss of unitarity

2004-02-25

arxiv.org/abs/gr-qc/0402117v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Latex file, 4 pages. To appear in the proceedings of the Tenth Marcel Grossman Meeting

Scientific paper

The anisotropic Bianchi I cosmological model coupled with perfect fluid is quantized in the minisuperspace. The perfect fluid is described by using the Schutz formalism which allows to attribute dynamical degrees of freedom to matter. It is shown that the resulting model is non-unitary. This breaks the equivalence between the many-worlds and dBB interpretations of quantum mechanics.

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