3 papers
hep-th2026
On-Shell Bootstrap of Loop Inflation Correlators with Spectral Dispersion
Haoyuan Liu, Zhehan Qin, Jiayi Wu +2
We develop a new bootstrap strategy for cosmological correlators at loop level, which we call spectral dispersion. It is based on two conceptual observations that a correlator can…
hep-th2024
Massive Inflationary Amplitudes: Differential Equations and Complete Solutions for General Trees
Haoyuan Liu, Zhong-Zhi Xianyu
We construct and solve a complete system of differential equations for general tree-level inflation correlators with an arbitrary number of massive scalar exchanges and time-depend…
hep-th2024
Dispersive Bootstrap of Massive Inflation Correlators
Haoyuan Liu, Zhehan Qin, Zhong-Zhi Xianyu
Inflation correlators with massive exchanges are central observables of cosmological collider physics, and are also important theoretical data for us to better understand quantum f…