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Is quantum gravity ambiguity-free?

Authors
Journal
Physics Letters B
0370-2693
Publisher
Elsevier
Publication Date
Volume
46
Issue
3
Identifiers
DOI: 10.1016/0370-2693(73)90153-6
Disciplines
  • Physics

Abstract

Abstract The ultraviolet behaviour of Green functions in the field theories with a local gauge symmetry is, to some extent, gauge dependent. This is due to the intervention of ghost-like gauge degrees of freedom. We argue that it may be possible, in the case of non-polynomial gauge theories, to find a class of gauges in which all ultraviolet divergences and their attendant ambiguities are suppressed.

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