QED Effective Action Revisited
The derivation of a convergent series representation for the quantum electrodynamic effective action obtained by two of us (S.R.V. and D.R.L.) in [Can. J. Phys. 71, 389 (1993)] is reexamined. We present more details of our original derivation. Moreover, we discuss the relation of the electric-magnetic duality to the integral representation for the effective action, and we consider the application of nonlinear convergence acceleration techniques that permit the efficient and reliable numerical evaluation of the quantum correction to the Maxwell Lagrangian.
U. D. Jentschura et al., "QED Effective Action Revisited," Canadian Journal of Physics, vol. 80, no. 2, pp. 267-284, National Research Council of Canada, Mar 2002.
The definitive version is available at http://dx.doi.org/10.1139/p01-139
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© 2002 National Research Council of Canada, All rights reserved.