Conformally flat FRW metrics

Masao Iihoshi, Sergei V. Ketov, Atsushi Morishita

Research output: Contribution to journalArticle

24 Citations (Scopus)


We find a new family of non-separable coordinate transformations bringing the FRW metrics into the manifestly conformally flat form. Our results are simple and complete, while our derivation is quite explicit. We also calculate all the FRW curvatures, including the Weyl tensor.

Original languageEnglish
Pages (from-to)475-489
Number of pages15
JournalProgress of Theoretical Physics
Issue number3
Publication statusPublished - Sep 2007


ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this