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Classical equivalence of lambda R phi 2 theories

A J Accioly, U F Wichoski, S F Kwok and N L P Pereira da Silva

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It is shown that the action functional S(g, phi )= integral d4x square root (-g)((R/K)(1+k lambda phi 2)+ delta u phi delta mu phi ) describes, in general, one and the same classical theory whatever may be the value of the coupling constant lambda .


PACS

04.20.-q Classical general relativity

98.80.Es Observational cosmology (including Hubble constant, distance scale, cosmological constant, early Universe, etc)

04.25.Nx Post-Newtonian approximation; perturbation theory; related approximations

MSC

83C05 Einstein's equations (general structure, canonical formalism, Cauchy problems)

83F05 Cosmology

Subjects

Gravitation and cosmology

Astrophysics and astroparticles

Dates

Issue 12 (December 1993)



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