Notes on Superconformal Representations in Two Dimensions

Abstract

We study global subalgebras of superconformal algebras in two dimensions and their unitary representations. Global superconformal multiplets are decomposed into conformal multiplets using Racah-Speiser algorithm, revealing many essential aspects of superconformal theories such as stress-energy tensor, conserved current, supersymmetric deformation and supersymmetry enhancement. Character formulae for the representations are presented. We further find a collection of conserved charges that are $k$-forms under the R-symmetry, which must be part of the super Virasoro algebra with $\mathcal{N}\ge 3$ supersymmetries.

arXiv comment61 pages, 15 figures; v2: minor edits, references added

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• Fermionic Rational Conformal Field Theories and Modular Linear Differential Equations
• Mellin amplitudes for $Ad{S}_3\times S^3$