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The global anomalies of (2,0) superconformal field theories in six dimensions (1406.4540v2)
Published 17 Jun 2014 in hep-th, math-ph, and math.MP
Abstract: We compute the global gauge and gravitational anomalies of the A-type (2,0) superconformal quantum field theories in six dimensions, and conjecture a formula valid for the D- and E-type theories. We show that the anomaly contains terms that do not contribute to the local anomaly but that are crucial for the consistency of the global anomaly. A side result is an intuitive picture for the appearance of Hopf-Wess-Zumino terms on the Coulomb branch of the (2,0) theories.