Abstract:The
Dark Matter and Dark Energy problems are
presently two of the most important questions in
cosmology. Many theoretical models try to
determine the nature of these two components,
however none of them has until now given a fully
satisfying answer. In this seminar, I will
present first the cosmological context of these
questions. Then, I will describe a scalar field
model able to explain at the same time indirect
observations of dark matter and of dark energy,
therefore enabling to unify both components into
a unique dark fluid. Finally, I will consider
quantum field theory to build an adequate
potential for this scalar field.
