Bootstrapping Mixed Correlators in the 3D Ising Model

Abstract

We study the conformal bootstrap for systems of correlators involving non-identical operators. The constraints of crossing symmetry and unitarity for such mixed correlators can be phrased in the language of semidefinite programming. We apply this formalism to the simplest system of mixed correlators in 3D CFTs with a ${\mathbb{Z}}_2$ global symmetry. For the leading ${\mathbb{Z}}_2$-odd operator $\sigma$ and ${\mathbb{Z}}_2$-even operator $\epsilon$, we obtain numerical constraints on the allowed dimensions $({\Delta }_{\sigma },{\Delta }_{\epsilon })$ assuming that $\sigma$ and $\epsilon$ are the only relevant scalars in the theory. These constraints yield a small closed region in $({\Delta }_{\sigma },{\Delta }_{\epsilon })$ space compatible with the known values in the 3D Ising CFT.

39 pages, 6 figures

References in corpus (7)

• Holography from Conformal Field Theory
• Solving the 3d Ising Model with the Conformal Bootstrap II. c-Minimization and Precise Critical Exponents
• Writing CFT correlation functions as AdS scattering amplitudes
• Bounds on 4D Conformal and Superconformal Field Theories
• Critical exponents of the 3d Ising and related models from Conformal Bootstrap
• $\mathcal{N}=1$ Superconformal Blocks for General Scalar Operators
• Bounds on OPE Coefficients in 4D Conformal Field Theories

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