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Family Tree Decomposition of Cosmological Correlators

BIMSA via YouTube

Overview

Explore the analytical study of cosmological correlators in this 59-minute lecture by Zhong-Zhi Xianyu from BIMSA. Delve into the fundamental structure of cosmological correlators and discover recently proposed analytical methods for their computation. Learn about the family tree decomposition of arbitrary nested time integrals, a technique that significantly advances the analytical calculation of massive tree amplitudes in de Sitter space and conformal scalar tree amplitudes in power-law Friedmann-Robertson-Walker universes. Gain insights into how correlation functions of large-scale fluctuations serve as crucial observables in modern cosmology, and understand the recent progress made in this field.

Syllabus

Zhong-Zhi Xianyu: Family tree decomposition of cosmological correlators #ICBS2024

Taught by

BIMSA

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