Superpotentials for superconformal Chern-Simons theories from representation theory

De Medeiros, Paul F., Figueroa-O'Farrill, José and Méndez-Escobar, Elena 2009. Superpotentials for superconformal Chern-Simons theories from representation theory. Journal of Physics A: Mathematical and Theoretical 42 (48) , 485204. 10.1088/1751-8113/42/48/485204

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Abstract

These notes provide a detailed account of the universal structure of superpotentials defining a large class of superconformal Chern–Simons theories with matter, many of which appear as the low-energy descriptions of multiple M2-brane configurations. The amount of superconformal symmetry in the Chern–Simons matter theory determines the minimum amount of global symmetry that the associated quartic superpotential must realize, which in turn restricts the matter superfield representations. Our analysis clarifies the necessary representation-theoretic data which guarantees a particular amount of superconformal symmetry. Thereby we shall recover all the examples of M2-brane effective field theories that have appeared in the recent literature. The results are based on a refinement of the unitary representation theory of Lie algebras to the case when the Lie algebra admits an ad-invariant inner product. The types of representation singled out by the superconformal symmetry turn out to be intimately associated with triple systems admitting embedding Lie (super)algebras and we obtain a number of new results about these triple systems which might be of independent interest. In particular, we prove that any metric 3-Lie algebra embeds into a real metric 3-graded Lie superalgebra in such a way that the 3-bracket is given by a nested Lie bracket.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Mathematics
Subjects:	Q Science > QA Mathematics
Publisher:	IOP Science
ISSN:	1751-8113
Last Modified:	19 Mar 2016 23:07
URI:	https://orca.cardiff.ac.uk/id/eprint/39666

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