One Loop Calculation of Cosmological Constant in a Scale Invariant Theory

Details One Loop Calculation of Cosmological Constant in a Scale Invariant Theory One Loop Calculation of Cosmological Constant in a Scale Invariant Theory

2009-02-15

arxiv.org/abs/0902.2525v1

Mod.Phys.Lett.A24:2069-2079,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 6 figures

Scientific paper

10.1142/S0217732309031351

We compute the cosmological constant in a scale invariant scalar field theory. The gravitational action is also suitably modified to respect scale invariance. Due to scale invariance the theory does not admit a cosmological constant term. The scale invariance is broken by a recently introduced mechanism called cosmological symmetry breaking. This leads to a nonzero cosmological constant. We compute the one loop corrections to the cosmological constant and show that it is finite.

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