47 citations · 262 across the 16 of their papers we have counts for
Showing 2012 · gr-qcShow all
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gr-qc2012★ 10 cited
Do scale-invariant fluctuations imply the breaking of de Sitter invariance?
Ahmed Youssef
The quantization of the massless minimally coupled (mmc) scalar field in de Sitter spacetime is known to be a non-trivial problem due to the appearance of strong infrared (IR) effe…
gr-qc2012★ 29 cited
Lorentz-violating vs ghost gravitons: the example of Weyl gravity
Nathalie Deruelle, Misao Sasaki, Yuuiti Sendouda +1
We show that the ghost degrees of freedom of Einstein gravity with a Weyl term can be eliminated by a simple mechanism that invokes local Lorentz symmetry breaking. We demonstrate…