On the relation between tensor and scalar perturbation modes in Friedmann cosmology

Details On the relation between tensor and scalar perturbation modes in Friedmann cosmology On the relation between tensor and scalar perturbation modes in Friedmann cosmology

2006-10-11

arxiv.org/abs/astro-ph/0610312v1

Usp.Fiz.Nauk.176:113,2006; Phys.Usp.49:103-106,2006

Astronomy and Astrophysics

Astrophysics

An extended version of the paper published in Usp. Fiz. Nauk 176, 113 (2006) [Phys. Usp. V.49, P.103 (2006)]; 8 pages

Scientific paper

10.1070/PU2006v049n01ABEH005901

An elementary derivation of the fundamental relation $T/S=4\gamma$ between
the tensor and scalar modes of cosmological perturbations in the early universe
is given. Statements by L.P.Grishchuk on this problem are commented on.

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