Loop Corrections to Scalar Quintessence Potentials

Details Loop Corrections to Scalar Quintessence Potentials Loop Corrections to Scalar Quintessence Potentials

2002-05-14

arxiv.org/abs/astro-ph/0205206v1

Astronomy and Astrophysics

Astrophysics

Contributed to XXXVIIth Rencontres de Moriond Workshop on "The Cosmological Model", Les Arcs, France, 16-23 March 2002

Scientific paper

The stability of scalar quintessence potentials under quantum fluctuations is
investigated both for uncoupled models and models with a coupling to fermions.
We find that uncoupled models are usually stable in the late universe. However,
a coupling to fermions is severely restricted. We check whether a graviton
induced fermion-quintessence coupling is compatible with this restriction.

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