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Covariant Perturbations in f(R)-Gravity of Multi-Fluid Cosmologies
A study of the formation of cosmic structure in a modified theory of gravity
- Editore:
LAP Lambert Acad. Publ.
- EAN:
9783844314045
- ISBN:
3844314040
- Pagine:
- 100
- Formato:
- Paperback
- Lingua:
- Tedesco
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Descrizione Covariant Perturbations in f(R)-Gravity of Multi-Fluid Cosmologies
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.
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