Abstract
We explore quantum mechanical theories whose fundamental degrees of freedom are rectangular matrices with Grassmann valued matrix elements. We study particular models where the low energy sector can be described in terms of a bosonic Hermitian matrix quantum mechanics. We describe the classical curved phase space that emerges in the low energy sector. The phase space lives on a compact Kähler manifold parameterized by a complex matrix, of the type discovered some time ago by Berezin. The emergence of a semiclassical bosonic matrix quantum mechanics at low energies requires that the original Grassmann matrices be in the long rectangular limit. We discuss possible holographic interpretations of such matrix models which, by construction, are endowed with a finite dimensional Hilbert space.
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Anninos, D., Denef, F. & Monten, R. Grassmann matrix quantum mechanics. J. High Energ. Phys. 2016, 138 (2016). https://doi.org/10.1007/JHEP04(2016)138
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DOI: https://doi.org/10.1007/JHEP04(2016)138