Physics
Scientific paper
Oct 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995el.....32..185d&link_type=abstract
Europhys. Lett., Vol. 32, No. 2, p. 185 - 190
Physics
3
Cosmology: Gravitation
Scientific paper
The authors analyse Einstein equations with a scalar field by means of a
computer algebra program, testing for the existence of alternative
Lagrangians. After proposing an algebraic test, they apply it to both
the cases of minimal and nonminimal coupling between gravity and the
scalar field.
de Ritis Riccardo
Rubano Claudio
Scudellaro Paolo
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