Generalized Friedmann-Robertson-Walker metric and redundancy in the generalized Einstein equations

Details Generalized Friedmann-Robertson-Walker metric and redundancy in the generalized Einstein equations Generalized Friedmann-Robertson-Walker metric and redundancy in the generalized Einstein equations

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991phrvd..44.3974k&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 44, Issue 12, 15 December 1991, pp.3974-3977

Physics

12

Scientific paper

A nontrivial redundancy relation, due to the differential structure of the gravitational Bianchi identity as well as the symmetry of the Friedmann-Robertson-Walker metric, in the gravitational field equation is clarified. A generalized Friedmann-Robertson-Walker metric is introduced in order to properly define a one-dimensional reduced problem which offers an alternative approach to obtain the gravitational field equations on Friedmann-Robertson-Walker spaces.

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