Perturbative quantum cosmology: The probability measure on superspace and semiclassical expansion

Details Perturbative quantum cosmology: The probability measure on superspace and semiclassical expansion Perturbative quantum cosmology: The probability measure on superspace and semiclassical expansion

Oct 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989nuphb.325..705b&link_type=abstract

Nuclear Physics B, Volume 325, Issue 3, p. 705-723.

Physics

Nuclear Physics

4

Scientific paper

The issue of the probability measure in superspace of quantum cosmology is resolved. It is shown that this measure has essentially a perturbative nature. The one-loop approximation for the measure is presented and the semiclassical perturbation theory for the cosmological wave function is developed. This perturbation theory demonstrates the back-reaction effects of the quantized matter fields on the semiclassical gravitational background.

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