Challenges for superstring cosmology

Ram Brustein, Paul J. Steinhardt

Research output: Contribution to journalArticle

207 Scopus citations

Abstract

We consider whether current notions about superstring theory below the Planck scale are compatible with cosmology. We find that the anticipated form for the dilaton interaction creates a serious roadblock for inflation and makes it unlikely that the universe ever reaches a state with zero cosmological constant and time-independent gravitational constant.

Original languageEnglish (US)
Pages (from-to)196-201
Number of pages6
JournalPhysics Letters B
Volume302
Issue number2-3
DOIs
StatePublished - Mar 25 1993
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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