Generalized Perturbations in Modified Gravity and Dark Energy

• Main Author: Pearson, Jonathan (Author)
• Corporate Author: SpringerLink (Online service)
• Format: Electronic eBook
• Language: English
• Published: Cham : Springer International Publishing : Imprint: Springer, 2014.
• Series: Springer Theses, Recognizing Outstanding Ph.D. Research,
• Subjects: Physics.; Mathematical physics.; Gravitation.; Cosmology.; Classical and Quantum Gravitation, Relativity Theory.; Mathematical Applications in the Physical Sciences.

When predictions of Einstein's theory of General Relativity are compared against observations of our Universe, a huge inconsistency is found. The most popular fix for this inconsistency is to "invent" around 94% of the content of the universe: dark matter and dark energy. The dark ene...

Table of Contents:

• Gravitational theories and cosmology
• The effective action formalism for cosmological perturbations
• Metric only and first order scalar field theory
• High derivative theories
• Explicit theories
• Connections to massive gravity
• Generalized fluid description
• Observational signatures of generalized cosmological perturbations
• Discussion and final remarks.