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Infrared Finite Scattering Theory in QFT and Quantum Gravity

Erwin Schrödinger International Institute for Mathematics and Physics (ESI) via YouTube

Overview

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Explore the intricacies of infrared finite scattering theory in quantum field theory and quantum gravity through this 56-minute conference talk by Gautam Satishchandran. Delve into the long-standing problem of constructing an IR-finite S-matrix and its connection to the gravitational memory effect. Examine the Faddeev-Kulish approach for massive QED and its limitations in massless QED, Yang-Mills theories, and quantum gravity. Investigate the challenges in formulating scattering theory without a preferred Hilbert space and learn about a proposed framework for a manifestly IR-finite scattering theory. Gain insights into topics such as dressed states, angular momentum, and inclusive cross-sections as part of the Thematic Programme on "Spectral Theory and Mathematical Relativity" held at the Erwin Schrödinger International Institute for Mathematics and Physics.

Syllabus

Introduction
Scattering Theory
Memory Effect
Matching
Quantum Gravity
Inclusive Crosssections
State with Memory
Dress States
Angular Momentum
Point of View

Taught by

Erwin Schrödinger International Institute for Mathematics and Physics (ESI)

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