Conformal fixed point, Cosmological Constant and Quintessence

Details Conformal fixed point, Cosmological Constant and Quintessence Conformal fixed point, Cosmological Constant and Quintessence

2002-10-16

arxiv.org/abs/hep-th/0210156v2

Phys.Rev.Lett. 90 (2003) 231302

Physics

High Energy Physics

High Energy Physics - Theory

More detailed discussion of quantum fluctuations,update with WMAP-data,4 pages,LaTex

Scientific paper

10.1103/PhysRevLett.90.231302

We connect a possible solution for the ``cosmological constant problem'' to
the existence of a (postulated) conformal fixed point in a fundamental theory.
The resulting cosmology leads to quintessence, where the present acceleration
of the expansion of the universe is linked to a crossover in the flow of
coupling constants.

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