Scalar quantum field in an external gravitational field
- 1 December 1979
- journal article
- conference paper
- Published by AIP Publishing in Journal of Mathematical Physics
- Vol. 20 (12) , 2549-2555
- https://doi.org/10.1063/1.524062
Abstract
We consider a class of Lorentz metrics on R4 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.Keywords
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