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  Examples of the Vilkovisky-Dewitt effective action in one-loop quantum gravity

Allen, B., Mc Laughlin, J. G., & Ottewill, A. C. (1992). Examples of the Vilkovisky-Dewitt effective action in one-loop quantum gravity. Physical Review D, 45(12), 4504-4513. doi:10.1103/PhysRevD.45.4504.

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Allen, Bruce1, Author           
Mc Laughlin, John G., Author
Ottewill, Adrian C., Author
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1Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24011              

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 Abstract: We present two examples where the contribution of one-loop gravitons to the renormalized stress-energy tensor may be calculated explicitly from both the standard and the Vilkovisky-DeWitt effective action. The renormalization is carried out using the Hadamard renormalization procedure outlined by Allen, Folacci, and Ottewill [Phys. Rev. D 38, 1069 (1988)]. The examples show that the standard and Vilkovisky-DeWitt formulations of quantum field theory lead to different physical predictions at one loop.

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 Dates: 1992-06-15
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Title: Physical Review D
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Pages: - Volume / Issue: 45 (12) Sequence Number: - Start / End Page: 4504 - 4513 Identifier: ISSN: 0556-2821