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Vacuum Polarization in QED with World-Line Methods

W. Dittrich, R. Shaisultanov

hep-tharXiv:hep-th/0001171

Abstract

Motivated by several recent papers on string-inspired calculations in QED, we here present our own use of world-line techniques in order to calculate the vacuum polarization and effective action in scalar and spinor QED with external arbitrary constant electromagnetic field configuration.

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