Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2000-07-14
Phys.Rev.Lett. 88 (2002) 089101
Physics
High Energy Physics
High Energy Physics - Theory
1 page, RevTeX; only "meta-data" updated
Scientific paper
10.1103/PhysRevLett.88.089101
Complete results were obtained by us in [Can. J. Phys. 71, 389 (1993)] for convergent series representations of both the real and the imaginary part of the QED effective action; these derivations were based on correct intermediate steps. In this comment, we argue that the physical significance of the "logarithmic correction term" found by Cho and Pak in [Phys. Rev. Lett. 86, 1947 (2001)] in comparison to the usual expression for the QED effective action remains to be demonstrated. Further information on related subjects can be found in Appendix A of hep-ph/0308223 and in hep-th/0210240.
Jentschura Ulrich D.
Lamm Darrell R.
Valluri Satyanarayana R.
Weniger Ernst Joachim
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