A new higher-order gravitational field equation with L = R + Ω R µvRµv / R + τR αβγδRαβγδ / R

Details A new higher-order gravitational field equation with L = R + Ω R µvRµv / R + τR αβγδRαβγδ / R A new higher-order gravitational field equation with L = R + Ω R µvRµv / R + τR αβγδRαβγδ / R

Aug 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992fophl...5..365x&link_type=abstract

Foundations of Physics Letters, Volume 5, Issue 4, pp.365-371

Physics

1

New Gravitational Theory, Dimensionless Coupling Constants

Scientific paper

In this paper, a new kind of higher-order gravitational theory is suggested. The field equation is obtained from a variational method. The result is a fourth-order partial differential equation for the metric, but the coefficients coupled to the higher-order terms are dimensionless. The energy momentum conservation law is discussed for the new theory. In maximally symmetric space, a de Sitter universe solution is obtained.

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