529 citations · 779 across the 5 of their papers we have counts for
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hep-th2008★ 23 cited
Bouncing and cyclic string gas cosmologies
Brian Greene, Daniel Kabat, Stefanos Marnerides
We show that, in the presence of a string gas, simple higher-derivative modifications to the effective action for gravity can lead to bouncing and cyclic cosmological models. The m…
hep-th2008★ 17 cited
Pseudo-redundant vacuum energy
Puneet Batra, Kurt Hinterbichler, Lam Hui +1
We discuss models that can account for today's dark energy. The underlying cosmological constant may be Planck scale but starts as a redundant coupling which can be eliminated by a…