Abstract
In the set of Cauchy data corresponding to the solutions of non-linear classical relativistic field equations having locally finite kinetic energy a structure of Hilbert space sectors is introduced. Each sector is invariant under time evolution and a total energy and linear momentum functionals can be defined as global quantities. Within this framework the existence of conserved dynamical charges is proved and the mechanism by which a symmetry can be spontaneously broken is explained.
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Communicated by J. Glimm
Partially supported by C.N.R. (gruppo G.N.A.F.A.)
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Parenti, C., Strocchi, F. & Velo, G. Hilbert space sectors for solutions of non-linear relativistic field equations. Commun.Math. Phys. 53, 65–96 (1977). https://doi.org/10.1007/BF01609167
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DOI: https://doi.org/10.1007/BF01609167