Quantum Cosmology With Conformally Invariant Scalar Field
Nivaldo A. Lemos (Departamento de Fisica, Universidade Federal, Fluminense)
TL;DR
This paper revises previous work on quantum cosmology with a conformally invariant scalar field, clarifying the validity of the reduced-phase-space approach while dismissing earlier Wheeler-DeWitt equation analysis.
Contribution
It provides an erratum correcting the earlier analysis, emphasizing the robustness of the reduced-phase-space method and the invalidity of the previous Wheeler-DeWitt approach.
Findings
Reduced-phase-space discussion remains valid
Wheeler-DeWitt analysis should be disregarded
Clarifies the scope of previous results
Abstract
This is in fact an Erratum to the paper published in Physics Letters A221 (1996) 359. The reduced-phase-space discussion remains essentially valid in spite of the fact that many equations are changed. However, the analysis based on the Wheeler-DeWitt equation should be very different from the one given in the paper, which must be disregarded.
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