Possible solution of the initial-perturbation problem in cosmology

Details Possible solution of the initial-perturbation problem in cosmology Possible solution of the initial-perturbation problem in cosmology

Oct 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984zhpmr..40..354s&link_type=abstract

(ZhETF Pis'ma v Redaktsiiu, vol. 40, Oct. 25, 1984, p. 354-356) JETP Letters (ISSN 0021-3640), vol. 40, Oct. 25, 1984, p. 1158-1

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Cosmology, Perturbation Theory, Unified Field Theory, Amplitudes, Gauge Invariance

Scientific paper

A new model is proposed in which the amplitude required for the initial perturbations in the inflationary scenario arise in a natural way. In the proposed model, a nonzero expectation value of the scalar field which causes the inflation also gives Planck's mass. The perturbation amplitudes are small, and it is not necessary to introduce any other small parameters. The model is applied to a theory that is gauge-invariant at the tree level.

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