[SEMINARI] SEMINAR: Massimo Pietroni

[rodrigo en ific.uv.es]

Dynamical Dark Energy

Massimo Pietroni
INFN - Sezione di Padova
Wednesday, 17 of May of 2006     12:00 PM
IFIC's Seminar

Abstract

I will review the possibility that the Dark Energy of the Universe is 
NOT a cosmological constant. After discussing the constraints on the 
equation of state after the latest SDSS and WMAP, I will focus on 
Scalar Tensor Gravity as a framework for accommodating a dynamical form 
of Dark Energy. Even after imposing the strong constraints on solar 
system tests of gravity, CMB and nucleosynthesis, strong deviations 
from standard cosmology are still possible in these theories. Among the 
possible signatures, I will discuss the modifications of the relic 
abundance of dark matter particles, which might have a deep impact on 
direct and indirect searches.


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