Graviton scattering and a sum rule for the c anomaly in 4D CFT

Abstract 4D CFTs have a scale anomaly characterized by the coefficient c, which appears as the coefficient of logarithmic terms in momentum space correlation functions of the energy-momentum tensor. By studying the CFT contribution to 4-point graviton scattering amplitudes in Minkowski space we deri...

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Bibliographic Details
Main Authors: Marc Gillioz, Xiaochuan Lu, Markus A. Luty
Format: Article
Language:English
Published: SpringerOpen 2018-09-01
Series:Journal of High Energy Physics
Subjects:
Online Access:http://link.springer.com/article/10.1007/JHEP09(2018)025