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)

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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

References (6) ↓ Cited by (6)

Grishchuk L P Usp. Fiz. Nauk 175 1289 (2005); Grishchuk L P Phys. Usp. 49 1235 (2005)
Lifshits E M Zh. Eksp. Teor. Fiz. 16 587 (1946)
Grishchuk L P Zh. Eksp. Teor. Fiz. 67 825 (1974); Grishchuk L P Eight Texas Symp. on Relativistic Astrophysics (Ann. of the New York Acad. of Sci., Vol. 302, Ed. M D Papagiannis) (New York: The New York Acad. of Sci., 1977) p. 439
Lukash V N Zh. Eksp. Teor. Fiz. 79 1601 (1980); Lukash V N Pis’ma ZhETF 31 631 (1980); Lukash V N astro-ph/9910009
Lukash V N, Mikheeva E V Int. J. Mod. Phys. A 15 3783 (2000)
Seljak U Phys. Rev. D 71 103515 (2005)