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The discovery of cosmic acceleration is believed to be the first observational evidence for new physics beyond the domain of the Standard Model of Particle Physics. In spite of its fundamental importance for an actual understanding of the evolution of the Universe, the physical mechanism behind this phenomenon constitutes one of the greatest mysteries of modern Cosmology. In the "I CosmoSul: Cosmology and Gravitation of the Southern Cone", several experts on Cosmology discussed alternative mechanisms of acceleration (including modifications in Gravity theory) and as well as theoretical and observational constraints on the current theories.
List of contents
Investigating the transition from cosmic deceleration to acceleration.- Baryons in the universe from cosmological simulations.- Reflections on cosmology: An outsider's point of view.- Cosmology with large galaxy redshift surveys.- Exact solutions in inflation.- Exactly solved models of interacting dark matter and dark energy.- Holographic dark energy linearly interacting with dark matter.- Dark matter and Ricci-like holographic dark energy coupled through a quadratic interaction.- Models of interacting dark energy.- Inflation driven by particle creation.- Dynamical system analysis for interacting dark energy.- Measuring the dark matter equation of state and its cosmological consequences.- Trying to light dark matter.- Explicit expressions for optical scalars in gravitational lensing from general matter sources.- Step potentials for dark energy.- Delta gravity and the large scale acceleration of the universe.- Disk and elliptical galaxies within renormalization group improved gravity.- f(R) and f(T) theories of modified gravity.- Palatini approach to modified f(R) gravity and its bi-metric structure.- Intermediate inflation in the Jordan-Brans-Dicke theory.- Dirac matrices for Chern-Simons gravity.- Regular isolated black holes.
