Beyond Einstein gravity : a survey of gravitational theories for cosmology and astrophysics

著者

    • Capozziello, Salvatore
    • Faraoni, Valerio

書誌事項

Beyond Einstein gravity : a survey of gravitational theories for cosmology and astrophysics

Salvatore Capozziello, Valerio Faraoni

(Fundamental theories of physics, v. 170)

Springer Science+Business Media, c2010

  • : pbk

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注記

"Softcover reprint of the hardcover 1st edition 2010"--T.p. verso

Includes bibliographical references (p.401-424) and index

内容説明・目次

内容説明

Beyond Einstein's Gravity is a graduate level introduction to extended theories of gravity and cosmology, including variational principles, the weak-field limit, gravitational waves, mathematical tools, exact solutions, as well as cosmological and astrophysical applications. The book provides a critical overview of the research in this area and unifies the existing literature using a consistent notation. Although the results apply in principle to all alternative gravities, a special emphasis is on scalar-tensor and f(R) theories. They were studied by theoretical physicists from early on, and in the 1980s they appeared in attempts to renormalize General Relativity and in models of the early universe. Recently, these theories have seen a new lease of life, in both their metric and metric-affine versions, as models of the present acceleration of the universe without introducing the mysterious and exotic dark energy. The dark matter problem can also be addressed in extended gravity. These applications are contributing to a deeper understanding of the gravitational interaction from both the theoretical and the experimental point of view. An extensive bibliography guides the reader into more detailed literature on particular topics.

目次

1. Extended gravity: a primer.- 2. Mathematical Tools.- 3. The landscape beyond Einstein gravity.- 4. Spherical symmetry.- 5. Weak-field limit.- 6. Qualitative analysis and exact solutions in cosmology.- 7. Cosmology.- 8. From the early to the present universe.- A. Physical constants and astrophysical and cosmological parameters.- B. The Noether symmetry approach to f(R) gravity.- C. The weak-field limit of metric f(R) gravity.- References.- Index.

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