Journal
CLASSICAL AND QUANTUM GRAVITY
Volume 20, Issue 6, Pages L67-L73Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0264-9381/20/6/101
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We show that the graviton has a mass in an anti-de Sitter (Lambda < 0) background given by m(g)(2) = -2/3 Lambda. This is precisely the fine-tuning value required for the perturbed gravitational field to maintain its two degrees of freedom.
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