Off-diagonal coefficients of the DeWitt-Schwinger and Hadamard representations of the Feynman propagator

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dc.creatorDécanini, Yves
dc.creatorFolacci, Antoine
dc.date2005-11-21
dc.date2006-02-22
dc.date.accessioned2026-07-07T12:22:39Z
dc.date.available2026-07-07T12:22:39Z
dc.descriptionHaving in mind applications to gravitational wave theory (in connection with the radiation reaction problem), stochastic semiclassical gravity (in connection with the regularization of the noise kernel) and quantum field theory in higher-dimensional curved spacetime (in connection with the Hadamard regularization of the stress-energy tensor), we improve the DeWitt-Schwinger and Hadamard representations of the Feynman propagator of a massive scalar field theory defined on an arbitrary gravitational background by deriving higher-order terms for the covariant Taylor series expansions of the geometrical coefficients -- i.e., the DeWitt and Hadamard coefficients -- that define them.
dc.description42 pages; v2: Incorrect claims suppressed, ref. added, typos corrected, expansion of the Van Vleck-Morette determinant improved; v3: Minor changes and refs. added to match the published version
dc.identifierhttps://arxiv.org/abs/gr-qc/0511115
dc.identifierhttp://arxiv.org/abs/gr-qc/0511115
dc.identifierPhys.Rev.D73:044027,2006
dc.identifierdoi:10.1103/PhysRevD.73.044027
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/213726
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Theory
dc.subjectMathematical Physics
dc.titleOff-diagonal coefficients of the DeWitt-Schwinger and Hadamard representations of the Feynman propagator
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