ar X iv : h ep - t h / 99 03 13 6 v 1 1 6 M ar 1 99 9 Symmetries of the Classical Path - Integral on a Generalized Phase - Space : ( II )
نویسنده
چکیده
In this paper we continue the study of the path-integral formulation of classical mechanics and in particular we better clarify, with respect to previous papers, the geometrical meaning of the variables entering this formulation. With respect to the first paper with the same title, we correct here the set of transformations for the auxiliary variables λ a. We prove that under this new set of transformations the Hamiltonian H, appearing in our path-integral, is an exact scalar and the same for the Lagrangian. Despite this different transformation, the variables λ a maintain the same operatorial meaning as before but on a different functional space. Cleared up this point we then show that the space spanned by the whole set of variables (φ, c, λ, ¯ c) of our path-integral is the cotangent bundle to the reversed-parity tangent bundle of the phase space M of our system and it is indicated as T ⋆ (ΠT M). In case the reader feel uneasy with this strange Grassmannian double bundle, we show in this paper that it is possible to build a different path-integral made only of bosonic variables. These turn out to be the coordinates of T ⋆ (T ⋆ M) which is the double cotangent bundle of phase-space.
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ar X iv : h ep - t h / 99 03 13 6 v 2 2 3 M ar 1 99 9 Symmetries of the Classical Path - Integral on a Generalized Phase - Space : ( II )
In this paper we continue the study of the path-integral formulation of classical mechanics and in particular we better clarify, with respect to previous papers, the geometrical meaning of the variables entering this formulation. With respect to the first paper with the same title, we correct here the set of transformations for the auxiliary variables λ a. We prove that under this new set of tr...
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