Relative Unitary Implementability of Perturbed Quantum Field Dynamics on de-Sitter Space

Details Relative Unitary Implementability of Perturbed Quantum Field Dynamics on de-Sitter Space Relative Unitary Implementability of Perturbed Quantum Field Dynamics on de-Sitter Space

2009-01-15

arxiv.org/abs/0901.2358v2

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

PhD Thesis, 33 Pages

Scientific paper

In this article, we study the quantum dynamics of a Klein-Gordon field on
de-Sitter space. We prove time evolution is not unitarily implementable. We
also consider a Klein-Gordon field perturbed by a local potential V. In this
case we prove that the deviation from the V=0 dynamics is unitarily
implementable.

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