283 citations · 1.4k across the 45 of their papers we have counts for
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astro-ph.CO2015★ 43 cited
Quantum Primordial Standard Clocks
Xingang Chen, Mohammad Hossein Namjoo, Yi Wang
In this paper, we point out and study a generic type of signals existing in the primordial universe models, which can be used to model-independently distinguish the inflation scena…
astro-ph.CO2015★ 13 cited
On the equation-of-motion versus in-in approach in cosmological perturbation theory
Xingang Chen, Mohammad Hossein Namjoo, Yi Wang
In this paper, we study several issues in the linear equation-of-motion (EoM) and in-in approaches of computing the two-point correlation functions in multi-field inflation. We pro…