Spectral asymmetry and supersymmetry

Details Spectral asymmetry and supersymmetry Spectral asymmetry and supersymmetry

2002-07-08

arxiv.org/abs/hep-th/0207066v2

Phys.Lett. B548 (2002) 68-72

Physics

High Energy Physics

High Energy Physics - Theory

9 pages; v2: typos corrected

Scientific paper

10.1016/S0370-2693(02)02820-4

Fractional charges, and in particular the spectral asymmetry eta of certain
Dirac operators, can appear in the central charge of supersymmetric field
theories. This yields unexpected analyticity constraints on eta from which
classic results can be recovered in an elegant way. The method could also be
applied in the context of string theory.

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