A Convergent Series for the QED Effective Action
Y. M. ChoDepartment of Physics, College of Natural Sciences, Seoul National University, Seoul, KoreaD. G. PakAsia Pacific Center for Theoretical Physics, 207-43 Cheongryangri-dong, Dongdaemun-gu, Seoul 130-012, Korea
2001en
ABI
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The one-loop effective action of QED obtained by Heisenberg and Euler and by Schwinger has been expressed by an asymptotic perturbative series which is divergent. In this Letter we present a nonperturbative but convergent series of the effective action. With the convergent series we establish the existence of the manifest electric-magnetic duality in the one-loop effective action of QED.
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