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Beyond Einstein GravityThe landscape beyond Einstein gravity

Beyond Einstein Gravity: The landscape beyond Einstein gravity [The two main classes of ETGs considered in this book, scalar-tensor and f(R) gravity, are the subject of much of this chapter. After exposing the metric formalism, due consideration is given to the Palatini version of f(R) theories, emphasizing its bimetric nature. Specifically, we present the actions describing ETGs, derive the field equations from a variational principle, and then discuss their different conformal representations. In this chapter the emphasis is on the general structure of these theories, while their application to astrophysics and cosmology is studied in later chapters.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

Beyond Einstein GravityThe landscape beyond Einstein gravity

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Publisher
Springer Netherlands
Copyright
© Springer Science+Business Media B.V. 2011
ISBN
978-94-007-0164-9
Pages
59 –106
DOI
10.1007/978-94-007-0165-6_3
Publisher site
See Chapter on Publisher Site

Abstract

[The two main classes of ETGs considered in this book, scalar-tensor and f(R) gravity, are the subject of much of this chapter. After exposing the metric formalism, due consideration is given to the Palatini version of f(R) theories, emphasizing its bimetric nature. Specifically, we present the actions describing ETGs, derive the field equations from a variational principle, and then discuss their different conformal representations. In this chapter the emphasis is on the general structure of these theories, while their application to astrophysics and cosmology is studied in later chapters.]

Published: Sep 30, 2010

Keywords: Cauchy Problem; Conformal Transformation; Einstein Gravity; Einstein Frame; Jordan Frame

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