The cosmological constant and the deconstruction of gravity

Vishnu Jejjala, Robert G. Leigh, Djordje Minic

Research output: Contribution to journalArticlepeer-review

Abstract

Witten has presented an argument for the vanishing of the cosmological constant in 2 + 1 dimensions. This argument is crucially tied to the specific properties of (2 + 1)-dimensional gravity. We argue that this reasoning can be deconstructed to 3 + 1 dimensions under certain conditions. Our observation is also tied to a possibility that there exists a well-defined UV completion of (3 + 1)-dimensional gravity.

Original languageEnglish (US)
Pages (from-to)71-79
Number of pages9
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume556
Issue number1-2
DOIs
StatePublished - Mar 13 2003

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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