Asymptotic algebra for charged particles and radiation

Details Asymptotic algebra for charged particles and radiation Asymptotic algebra for charged particles and radiation

1995-10-11

arxiv.org/abs/hep-th/9510068v2

J.Math.Phys. 37 (1996) 100-120

Physics

High Energy Physics

High Energy Physics - Theory

28 pages, LaTeX; minor corrections, a reference added

Scientific paper

10.1063/1.531378

A C*-algebra of asymptotic fields which properly describes the infrared structure in quantum electrodynamics is proposed. The algebra is generated by the null asymptotic of electromagnetic field and the time asymptotic of charged matter fields which incorporate the corresponding Coulomb fields. As a consequence Gauss' law is satisfied in the algebraic setting. Within this algebra the observables can be identified by the principle of gauge invariance. A class of representations of the asymptotic algebra is constructed which resembles the Kulish-Faddeev treatment of electrically charged asymptotic fields.

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