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Vacuum Geometry of the N = 2 Wess-Zumino Model

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Abstract

We give a mathematically rigorous construction of the moduli space and vacuum geometry of a class of quantum field theories which are N=2 supersymmetric Wess-Zumino models on a cylinder. These theories have been proven to exist in the sense of constructive quantum field theory, and they also satisfy the assumptions used by Vafa and Cecotti in their study of the geometry of ground states. Since its inception, the Vafa-Cecotti theory of topological-antitopological fusion, or tt* geometry, has proven to be a powerful tool for calculations of exact quantum string amplitudes. However, tt* geometry postulates the existence of certain vector bundles and holomorphic sections built from the ground states. Our purpose in the present article is to give a mathematical proof that this postulate is valid within the context of the two-dimensional N=2 supersymmetric Wess-Zumino models. We also give a simpler proof in the case of holomorphic quantum mechanics.

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  1. Harvard University, Department of Physics, 17 Oxford St., Cambridge, MA, 02138, USA

    William Gordon Ritter

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  1. William Gordon Ritter
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Communicated by J.Z. Imbrie

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Ritter, W. Vacuum Geometry of the N = 2 Wess-Zumino Model. Commun. Math. Phys. 251, 133–156 (2004). https://doi.org/10.1007/s00220-004-1170-z

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