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

V.N. Lukash
Astro Space Centre, Lebedev Physical Institute, Russian Academy of Sciences, ul. Profsoyuznaya 84/32, Moscow, 117997, Russian Federation

An elementary derivation of the fundamental relation T/S = 4γ 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.

PACS: 01.10.Fv, 04.30.−w, 04.62.+v, 98.80.−k (all)
DOI: 10.1070/PU2006v049n01ABEH005901
URL: https://ufn.ru/en/articles/2006/1/i/
Web of Science

000237789100006
Scopus

2-s2.0-33744496016
ADS NASA

2006PhyU...49..103L
Citation: Lukash V N "On the relation between tensor and scalar perturbation modes in Friedmann cosmology" Phys. Usp. 49 103–106 (2006)

BibTexBibNote ® (generic)BibNote ® (RIS)MedlineRefWorks

Оригинал: Лукаш В Н «О соотношении тензорной и скалярной мод возмущений в космологии Фридмана» УФН 176 113–116 (2006); DOI: 10.3367/UFNr.0176.200601j.0113