Deducing cosmological observables from the S matrix

S. P. Miao, T. Prokopec, R. P. Woodard

研究成果: Article同行評審

8 引文 斯高帕斯(Scopus)

摘要

We study one loop quantum gravitational corrections to the long range force induced by the exchange of a massless scalar between two massive scalars. The various diagrams contributing to the flat space S matrix are evaluated in a general covariant gauge, and we show that dependence on the gauge parameters cancels at a point considerably before forming the full S matrix, which is unobservable in cosmology. It is possible to interpret our computation as a solution to the effective field equations - which could be done even in cosmology - but taking account of quantum gravitational corrections from the source and from the observer.

原文English
文章編號104029
期刊Physical Review D
96
發行號10
DOIs
出版狀態Published - 2017

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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