Article Dans Une Revue Journal of High Energy Physics Année : 2022

Two-point functions and bootstrap applications in quantum field theories

Résumé

We study two-point functions of local operators and their spectral representation in UV complete quantum field theories in generic dimensions focusing on conserved currents and the stress-tensor. We establish the connection with the central charges of the UV and IR fixed points. We re-derive “c-theorems” in 2d and show the absence of their direct analogs in higher dimensions. We conclude by focusing on quantum field theories with a mass gap. We study the stress tensor two-particle form factor, derive implications of unitarity and define concrete bootstrap problems in generic dimensions.

Dates et versions

hal-03107919 , version 1 (12-01-2021)

Identifiants

Citer

Denis Karateev. Two-point functions and bootstrap applications in quantum field theories. Journal of High Energy Physics, 2022, 02, pp.186. ⟨10.1007/JHEP02(2022)186⟩. ⟨hal-03107919⟩

Collections

92 Consultations
0 Téléchargements

Altmetric

Partager

  • More