Cosmological status of Lagrangian theory of density perturbations

Details Cosmological status of Lagrangian theory of density perturbations Cosmological status of Lagrangian theory of density perturbations

2006-12-14

arxiv.org/abs/astro-ph/0612397v1

Astron.Rep.51:431-434,2007

Astronomy and Astrophysics

Astrophysics

8 pages, no figures, submitted to Astronomy Reports

Scientific paper

10.1134/S1063772907060017

We show that hydrodynamical and field approaches in theory of cosmological
scalar perturbations are equivalent for a single medium. We also give relations
between notations introduced by V. Lukash, J. Bardeen, J. Bardeen et al. and G.
Chibisov and V. Mukhanov.

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