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Graviton time delay and a speed limit for small black holes in Einstein-Gauss-Bonnet theory
(SpringerJournal of High Energy Physics, 2015-11-17)
Camanho, Edelstein, Maldacena and Zhiboedov have shown that gravitons can experience a negative Shapiro time delay, i.e. a time advance, in Einstein-Gauss-Bonnet theory. They studied gravitons propagating in singular ...
Uniqueness of the Kerr-de Sitter spacetime as an algebraically special solution in five dimensions
(SpringerCommunications in Mathematical Physics, 2015-08-20)
We determine the most general solution of the five-dimensional vacuum Einstein equation, allowing for a cosmological constant, with (i) a Weyl tensor that is type II or more special in the classification of Coley et al., ...
Graviton time delay and a speed limit for small black holes in Einstein-Gauss-Bonnet theory
(Journal of High Energy Physics, 2015-11-17)