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Hopf-Wess-Zumino term in the effective action of the 6d, (2, 0) field theory revisted
2011
Journal of High Energy Physics
We discuss the Hopf-Wess-Zumino term in the effective action of the 6d (2, 0) theory of the type A_N-1 in a generic Coulomb branch. For such terms, the supergravity calculation could be trusted. We calculate the WZ term on supergravity side and show that it could compensate the anomaly deficit, as is required by the anomaly matching condition. In contrast with the SYM theory, in which each WZ term involves one root e_i-e_j, here, the typical WZ term involves two roots e_i-e_j and e_k-e_j. Such
doi:10.1007/jhep10(2011)054
fatcat:2znys3t2jbcbvgvozc2acoau5q