Form factors and spectral densities from Lightcone Conformal Truncation

Form factors and spectral densities from Lightcone Conformal Truncation

Abstract We use the method of Lightcone Conformal Truncation (LCT) to obtain form factors and spectral densities of local operators 𝒪 in ϕ 4 theory in two dimensions. We show how to use the Hamiltonian eigenstates from LCT to obtain form factors that are matrix elements of a local operator 𝒪 between...

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Bibliographic Details
Main Authors: Hongbin Chen, A. Liam Fitzpatrick, Denis Karateev
Format: Article
Language:English
Published: SpringerOpen 2022-04-01
Series:Journal of High Energy Physics
Subjects:
Conformal Field Theory
Nonperturbative Effects
Renormalization Group
Online Access:https://doi.org/10.1007/JHEP04(2022)109

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