33 citations · 92 across the 5 of their papers we have counts for
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astro-ph.CO2018★ 3 cited
New Inflation in the Landscape and Typicality of the Observed Cosmic Perturbation
Chien-I Chiang, Keisuke Harigaya
We investigate if the observed small and nearly scale-invariant primordial cosmic perturbation, i.e. the perturbation amplitude and the spectral index $n_s \simeq…
hep-th2018★ 33 cited
What does Inflation say about Dark Energy given the Swampland Conjectures?
Chien-I Chiang, Jacob M. Leedom, Hitoshi Murayama
We discuss the relations between swampland conjectures and observational constraints on both inflation and dark energy. Using the requirement , with as a un…
hep-th2018★ 27 cited
Building Supergravity Quintessence Model
Chien-I Chiang, Hitoshi Murayama
It was recently pointed out that the cosmological constant (even metastable one) belongs to the so-called "swampland" and hence cannot be obtained as the low-energy limit of string…