2 papers
hep-th2025
Anatomy of Family Trees in Cosmological Correlators
Bingchu Fan, Zhong-Zhi Xianyu
The time-ordered multilayer integrals have long been cited as major challenges in the analytical study of cosmological correlators and wavefunction coefficients. The recently propo…
hep-th2024
Cosmological Amplitudes in Power-Law FRW Universe
Bingchu Fan, Zhong-Zhi Xianyu
The correlators of large-scale fluctuations belong to the most important observables in modern cosmology. Recently, there have been considerable efforts in analytically understandi…