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Limiting charge for electrostatic point sources

  • P. Gärtner
  • U. Heinz
  • B. Müller
  • W. Greiner
Nuclei

Abstract

We investigate the behaviour of the vacuum charge around a supercritical nucleus withZ>137 in dependence on the nuclear radius. The screening effects are considered in a quasiclassical approximation. We show that in the point nucleus limit the nuclear charge is screened by the vacuum charge up toZ=137. This means that the coupling strength of a point charge in QED cannot be larger than 1. The influence of the heavier leptons is also discussed.

Keywords

Elementary Particle Point Source Coupling Strength Point Charge Nuclear Charge 
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Copyright information

© Springer-Verlag 1981

Authors and Affiliations

  • P. Gärtner
    • 1
  • U. Heinz
    • 1
  • B. Müller
    • 1
  • W. Greiner
    • 1
  1. 1.Institut für Theoretische Physik der Johann-Wolfgang-Goethe-UniversitätFrankfurt am MainFederal Republic of Germany

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