Generalized Perturbations in Modified Gravity and Dark Energy

Generalized Perturbations in Modified Gravity and Dark Energy

Pearson, Jonathan

Springer International Publishing AG

08/2016

200

Mole

Inglês

9783319347486

15 a 20 dias

In this thesis the author constructs a comprehensive unifying framework for understanding the observational impact of general classes of dark sector theories, by formulating equations of state for the dark sector perturbations.
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.
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