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Title: Scalar quantum field in an external gravitational field

Journal Article · · J. Math. Phys. (N.Y.); (United States)
DOI:https://doi.org/10.1063/1.524062· OSTI ID:5772120

We consider a class of Lorentz metrics on R/sup 4/ which are Minkowskian off a compact set. For each such metric we construct a quantum field operator which satisfies the generalization of the Klein--Gordon equation. The field has a causal commutator and transforms as a scalar under general coordinate transformations. The field determines a unitary scattering operator which is invariant under coordinate transformations.

Research Organization:
Department of Mathematics, SUNY at Buffalo, Buffalo, New York 14214
OSTI ID:
5772120
Journal Information:
J. Math. Phys. (N.Y.); (United States), Vol. 20:12
Country of Publication:
United States
Language:
English