New approaches for inflationary cosmology

Frank S. Accetta, Paul J. Steinhardt

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


"Extended" and "hyperextended" inflationary models of the universe have been developed which avoid the extreme fine-tuning required by all previous approaches. The models also generate a new source of inhomogeneities that affect large-scale structure. The most surprising feature is the role that inflation can play in altering the nature of the gravitational force.

Original languageEnglish (US)
Pages (from-to)1-5
Number of pages5
JournalGeneral Relativity and Gravitation
Issue number1
StatePublished - Jan 1991
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)


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