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This book studies the evolution of scalar cosmological perturbations in the 1+3 Covariant Gauge-Invariant formalism for generic f(R) theories of gravity. It provides with a complete set of equations describing the evolution of matter and curvature fluctuations for a multi-fluid cosmological medium. It also deals with a specific model of a radiation-dust fluid universe described by barotropic equations of state where the perturbation equations are applied around a background solution of a specific toy model of gravity and looks at exact solutions for scales much smaller and much larger than the Hubble radius.
Autorius: | Amare Abebe |
Leidėjas: | LAP LAMBERT Academic Publishing |
Išleidimo metai: | 2011 |
Knygos puslapių skaičius: | 100 |
ISBN-10: | 3844314040 |
ISBN-13: | 9783844314045 |
Formatas: | 220 x 150 x 6 mm. Knyga minkštu viršeliu |
Kalba: | Anglų |
Parašykite atsiliepimą apie „Covariant Perturbations in f(R)-Gravity of Multi-Fluid Cosmologies: A study of the formation of cosmic structure in a modified theory of gravity“