Scale invariance and inflation

Win-Fun Kao*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


Solving a scale invariant effective theory, we obtain an inflationary solution which is equivalent to an asymptotic boundary condition that has been imposed previously by hand on the scalar φ, namely, φ(r →∞)→v. This inflationary solution is unique for a slow roller φ. Possible implications are also discussed. This result signifies the importance of the global scale symmetry.

Original languageEnglish
Pages (from-to)1-4
Number of pages4
JournalPhysics Letters A
Issue number1-2
StatePublished - 25 Mar 1991

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