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Quantum gravity and scalar fields

Lookup NU author(s): Paul Mackay, Professor David Toms

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Abstract

In this Letter we consider the quantization of a scalar field coupled to gravity at one loop order. We investigate the divergences appearing in the mass (i.e. phi(2)) term in the effective action. We use the Vilkovisky-DeWitt effective action technique which guarantees that the result is gauge invariant as well as gauge condition independent in contrast to traditional calculations. Our final result is to identify the complete pole part of the effective action. (C) 2009 Elsevier B.V. All rights reserved.

Publication metadata

Author(s): Mackay PT, Toms DJ

Publication type: Article

Publication status: Published

Journal: Physics Letters B

Year: 2010

Volume: 684

Issue: 4-5

Pages: 251-255

Print publication date: 01/02/2010

ISSN (print): 0370-2693

ISSN (electronic): 1873-2445

Publisher: Elsevier BV

URL: http://dx.doi.org/10.1016/j.physletb.2009.12.032

DOI: 10.1016/j.physletb.2009.12.032

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