330 citations · 3.6k across the 68 of their papers we have counts for
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hep-th2008★ 61 cited
Watching Worlds Collide: Effects on the CMB from Cosmological Bubble Collisions
Spencer Chang, Matthew Kleban, Thomas S. Levi
We extend our previous work on the cosmology of Coleman-de Luccia bubble collisions. Within a set of approximations we calculate the effects on the cosmic microwave background (CMB…
hep-th2008★ 75 cited
Topologically Massive Gravity at the Chiral Point is Not Unitary
Gaston Giribet, Matthew Kleban, Massimo Porrati
A recent paper [arXiv:0801.4566] claims that topologically massive gravity contains only chiral boundary excitations at a particular value of the Chern-Simons coupling. On the othe…