paper

The mass of the graviton and the cosmological constant

arXiv:gr-qc/0210058 · doi:10.1088/0264-9381/20/6/101

Abstract

We show that the graviton acquires a mass in a de Sitter background given by This is precisely the fine-tuning value required for the perturbed gravitational field to mantain its two degrees of freedom.

Title changed and few details added, without any changes in the conclusion

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