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On the relation between tensor and scalar perturbation modes in Friedmann cosmology
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.
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PACS: 01.10.Fv, 04.30.−w, 04.62.+v, 98.80.−k ()
DOI: URL: https://ufn.ru/en/articles/2006/1/i/  000237789100006  2-s2.0-33744496016  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) Оригинал: Лукаш В Н «О соотношении тензорной и скалярной мод возмущений в космологии Фридмана» УФН 176 113–116 (2006); |
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