Dimensionally Regulated Graviton 1-Point Function in de Sitter

Details Dimensionally Regulated Graviton 1-Point Function in de Sitter Dimensionally Regulated Graviton 1-Point Function in de Sitter

2005-06-09

arxiv.org/abs/gr-qc/0506056v2

Annals Phys. 321 (2006) 875-893

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

25 pages, LaTeX 2epsilon, uses Axodraw for one figure, revised to add some references

Scientific paper

10.1016/j.aop.2005.08.004

We use dimensional regularization to compute the 1PI 1-point function of
quantum gravity at one loop order in a locally de Sitter background. As with
other computations, the result is a finite constant at this order. It
corresponds to a small positive renormalization of the cosmological constant.

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