The effective gravitational Lagrangian and the energy-momentum tensor in the inflationary universe

Details The effective gravitational Lagrangian and the energy-momentum tensor in the inflationary universe The effective gravitational Lagrangian and the energy-momentum tensor in the inflationary universe

Sep 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986cqgra...3..817d&link_type=abstract

Classical and Quantum Gravity (ISSN 0264-9381), vol. 3, Sept. 1, 1986, p. 817-824.

Physics

30

Cosmology, Gravitation Theory, Momentum Theory, Tensor Analysis, Einstein Equations, Energy Transfer, Lagrange Coordinates, Space-Time Functions

Scientific paper

The inflationary model proposed by Guth is based on nonclassical behavior of the energy-momentum tensor. An attempt is made to evaluate the corrections to the usual linear relation between the scalar curvature and the trace of the energy-momentum tensor, replacing the usual Einstein-Hilbert Lagrangian by an unknown function and imposing the inflationary solution upon the scale factor of the Robertson-Walker metric.

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