Quantenelektrodynamik: Nah- oder Fernwirkungstheorie
Walter Smilga

TL;DR
This paper explores the two-particle state space in quantum electrodynamics, establishing a relation between the coupling constant and state densities, with implications for the representation of the Poincare group.
Contribution
It demonstrates a specific relation in Feynman's formulation of QED linking coupling constants to state densities, contingent on irreducible Poincare group representations.
Findings
Relation between coupling constant and state densities established
Physical state space corresponds to an irreducible Poincare representation
Implications for the interpretation of quantum electrodynamics
Abstract
The two-particle state space of the perturbation series of elastic electron-electron scattering is considered. In Feynman's action-at-a-distance formulation of quantum electrodynamics a relation between the coupling constant and the ratio of densities of states in the physical state space and in a two-particle product representation can be established. This relation is satisfied, when the physical state space corresponds to an irreducible representation of the Poincare group. Consequences of this observation are discussed. ----- Der Zweiteilchen-Zustandsraum der Stoerungsentwicklung zur elastischen Elektron-Elektron-Streuung wird betrachtet. In der Feynmanschen Formulierung der Quantenelektrodynamik als Fernwirkungstheorie laesst sich eine Beziehung zwischen Kopplungskonstante und dem Verhaeltnis der Zustandsdichten des physikalischen Zweiteilchen-Zustandsraums einerseits und einer…
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Taxonomy
TopicsElectron and X-Ray Spectroscopy Techniques · Molecular Junctions and Nanostructures · Photochemistry and Electron Transfer Studies
