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On the “universal” \(N=2\) supersymmetry of classical mechanics. (English) Zbl 0984.81070

Summary: In this paper we continue the study of the geometrical features of a functional approach to classical mechanics proposed some time ago. In particular, we try to shed some light on a \(N=2\) “universal” supersymmetry which seems to have an interesting interplay with the concept of ergodicity of the system. To study the geometry better we make this susy local and clarify pedagogically several issues present in the literature. Secondly, in order to prepare the ground for a better understanding of its relation to ergodicity, we study the system on constant energy surfaces. We find that the procedure of constraining the system on these surfaces injects into it some local Grassmannian invariances and reduces the \(N=2\) global susy to \(N=1\).

MSC:

81S40 Path integrals in quantum mechanics
81Q60 Supersymmetry and quantum mechanics
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