Phys. Rev. D 62, 045024 (2000) [6 pages]Vacuum polarization in QED with world-line methodsReceived 18 February 2000; published 27 July 2000 Motivated by several recent papers on string-inspired calculations in quantum electrodynamics (QED), we here present the use of world-line techniques in order to calculate the vacuum polarization and effective action in scalar and spinor QED with an external arbitrary constant electromagnetic field configuration. © 2000 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.62.045024
DOI:
10.1103/PhysRevD.62.045024
PACS:
03.70.+k, 12.20.Ds
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