574 citations · 3.8k across the 87 of their papers we have counts for
Showing 2017 · hep-thShow all
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hep-th2017★ 56 cited
Strongly Coupled Quasi-Single Field Inflation
Aditya Varna Iyer, Shi Pi, Yi Wang +2
We study the power spectrum of quasi-single field inflation where strong coupling is considered. The contribution from the massive propagator can be divided into local and non-loca…
hep-th2017★ 149 cited
Schwinger-Keldysh Diagrammatics for Primordial Perturbations
Xingang Chen, Yi Wang, Zhong-Zhi Xianyu
We present a systematic introduction to the diagrammatic method for practical calculations in inflationary cosmology, based on Schwinger-Keldysh path integral formalism. We show in…