A frame bundle generalization of multisymplectic field theories

Details A frame bundle generalization of multisymplectic field theories A frame bundle generalization of multisymplectic field theories

1997-06-10

arxiv.org/abs/dg-ga/9706008v1

Rept.Math.Phys. 45 (2000) 183-205

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX2e, 28 pages

Scientific paper

This paper presents a generalization of symplectic geometry to a principal bundle over the configuration space of a classical field. This bundle, the vertically adapted linear frame bundle, is obtained by breaking the symmetry of the full linear frame bundle of the field configuration space, and it inherits a generalized symplectic structure from the full frame bundle. The geometric structure of the vertically adapted frame bundle admits vector-valued field observables and produces vector-valued Hamiltonian vector fields, from which we can define a Poisson bracket on the field observables. We show that the linear and affine multivelocity spaces and multiphase spaces for geometric field theories are associated to the vertically adapted frame bundle. In addition, the new geometry not only generalizes both the linear and the affine models of multisymplectic geometry but also resolves fundamental problems found in both multisymplectic models.

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