A Massive Study of M2-brane Proposals

Details A Massive Study of M2-brane Proposals A Massive Study of M2-brane Proposals

2008-07-07

arxiv.org/abs/0807.1074v2

JHEP0809:113,2008

Physics

High Energy Physics

High Energy Physics - Theory

33 pages, LaTeX; references and acknowledgment added

Scientific paper

10.1088/1126-6708/2008/09/113

We test the proposals for the worldvolume theory of M2-branes by studying its maximally supersymmetric mass-deformation. We check the simplest prediction for the mass-deformed theory on N M2-branes: that there should be a set of discrete vacua in one-to-one correspondence with partitions on N. For the mass-deformed Lorentzian three-algebra theory, we find only a single classical vacuum, casting doubt on its M2-brane interpretation. For the mass-deformed ABJM theory, we do find a discrete set of solutions, but these are more numerous than predicted. We discuss possible resolutions of this puzzling discrepancy. We argue that the classical vacuum solutions of the mass-deformed ABJM theory display properties of fuzzy three-spheres, as expected from their gravitational dual interpretation.

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