Correspondence principle constraints on quantum gravity

Research output: Contribution to journalArticlepeer-review

Abstract

The construction of effective low energy lagrangians in quantum gravity is examined. It is concluded that a finite perturbative S-matrix does not uniquely determine the effective theory, and that a non-perturbative approach is essential. A spectrum consisting of massive towers (such as in string theory) is ruled out.

Original languageEnglish
Pages (from-to)50-55
Number of pages6
JournalPhysics Letters B
Volume195
Issue number1
DOIs
StatePublished - 27 Aug 1987
Externally publishedYes

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