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München 1997 – wissenschaftliches Programm

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GR: Gravitation und Relativitätstheorie

GR 9: Quantisierte Gravitation?

GR 9.4: Vortrag

Donnerstag, 20. März 1997, 17:00–17:20, HS 132

Scalar field theory on a FRW background and semiclassical back-reaction — •H. Wissowski and H.A. Kastrup — Institut f. Theor. Physik E, RWTH Aachen, 52056 Aachen

We study a quantized massive real scalar field with an infinite number of degrees of freedom propagating on a classical Friedman-Robertson-Walker background. Solving the associated Schr"odinger equation we calculate the back-reaction on the metric by using the energy-momentum tensor.
Results are compared to those of a point particle (massive spatially homogenous field) on FRW, Bianchi-I and -III backgrounds studied earlier by the authors.

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