Spectral properties in supersymmetric matrix models

Details Spectral properties in supersymmetric matrix models Spectral properties in supersymmetric matrix models

2010-11-22

arxiv.org/abs/1011.4791v2

Physics

High Energy Physics

High Energy Physics - Theory

40 pages, 5 figures

Scientific paper

We formulate a general sufficiency criterion for discreteness of the spectrum of both supersymmmetric and non-su-persymmetric theories with a fermionic contribution. This criterion allows an analysis of Hamiltonians in complete form rather than just their semiclassical limits. In such a framework we examine spectral properties of various (1+0) matrix models. We consider the BMN model of M-theory compactified on a maximally supersymmetric pp-wave background, different regularizations of the supermembrane with central charges and a non-supersymmetric model comprising a bound state of N D2 with m D0. While the first two examples have a purely discrete spectrum, the latter has a continuous spectrum with a lower end given in terms of the monopole charge.

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