Feynman propagator in a linearly expanding universe
- 15 September 1983
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 28 (6) , 1298-1307
- https://doi.org/10.1103/physrevd.28.1298
Abstract
It is demonstrated that three reasonable physical criteria yield a unique Feynman propagator in a linearly expanding Robertson-Walker universe.Keywords
This publication has 14 references indexed in Scilit:
- Uniqueness of the propagator in spacetime with cosmological singularityPhysical Review D, 1981
- Finite creation of particles in an expanding universeIl Nuovo Cimento B (1971-1996), 1981
- The kernelG 1(x, x′) and the quantum equivalence principleIl Nuovo Cimento B (1971-1996), 1981
- The quantum equivalence principle and finite particle creation in expanding universesJournal of Mathematical Physics, 1981
- Covariant “in-out” formalism for creation by external fieldsAnnals of Physics, 1978
- Propagators for a Quantized Scalar Field in Some Isotropic UniverseProgress of Theoretical Physics, 1978
- The problem of scalar field theory in curved space-timeGeneral Relativity and Gravitation, 1978
- QUANTUM FIELD THEORY IN CURVED SPACETIME: AN OVERVIEWAnnals of the New York Academy of Sciences, 1977
- Path-integral quantization and cosmological particle production: An examplePhysical Review D, 1977
- On Gauge Invariance and Vacuum PolarizationPhysical Review B, 1951