Renormalization of the charged scalar field in curved space
- Department of Physics, Montana State University, Bozeman, Montana 59717 (United States)
The DeWitt-Schwinger proper time point-splitting procedure is applied to a massive complex scalar field with an arbitrary curvature coupling interacting with a classical electromagnetic field in a general curved spacetime. The scalar field current is found to have a linear divergence. The presence of the external background gauge field is found to modify the stress-energy tensor results of Christensen for the neutral scalar field by adding terms of the form ({ital eF}){sup 2} to the logarithmic counterterms. These results are shown to be expected from an analysis of the degree of divergence of scalar quantum electrodynamics. {copyright} {ital 1996 The American Physical Society.}
- DOE Contract Number:
- FG02-91ER75681
- OSTI ID:
- 279216
- Journal Information:
- Physical Review, D, Journal Name: Physical Review, D Journal Issue: 6 Vol. 53; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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