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October 2013 3-Manifolds and 3d indices
Tudor Dimofte, Davide Gaiotto, Sergei Gukov
Adv. Theor. Math. Phys. 17(5): 975-1076 (October 2013).

Abstract

We identify a large class $\mathcal{R}$ of three-dimensional $\mathcal{N} = 2$ superconformal field theories. This class includes the effective theories $T_M$ of M5-branes wrapped on 3-manifolds $\mathcal{M}$, discussed in previous work by the authors, and more generally comprises theories that admit a UV description as abelian Chern–Simons-matter theories with (possibly non-perturbative) superpotential. Mathematically, class $\mathcal{R}$ might be viewed as an extreme quantum generalization of the Bloch group; in particular, the equivalence relation among theories in class $\mathcal{R}$ is a quantum-field-theoretic "2 to 3 move." We proceed to study the supersymmetric index of theories in class $\mathcal{R}$, uncovering its physical and mathematical properties, including relations to algebras of line operators and to 4d indices. For 3-manifold theories $T_M$, the index is a new topological invariant, which turns out to be equivalent to non-holomorphic $SL(2,\mathbb{C})$ Chern-Simons theory on $\mathcal{M}$ with a previously unexplored "integration cycle."

Citation

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Tudor Dimofte. Davide Gaiotto. Sergei Gukov. "3-Manifolds and 3d indices." Adv. Theor. Math. Phys. 17 (5) 975 - 1076, October 2013.

Information

Published: October 2013
First available in Project Euclid: 21 August 2014

zbMATH: 1297.81149
MathSciNet: MR3262519

Rights: Copyright © 2013 International Press of Boston

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Vol.17 • No. 5 • October 2013
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