Euler-Heisenberg lagrangian through Krein regularization [PDF]
A. RefaeiThe Euler-Heisenberg effective action at the one-loop for a constant electromagnetic field is derived in Krein space quantization with Ford's idea of uctuated light-cone. In this work we present a perturbative, but convergent solution of the effective action. Without using any renormalization procedure, the result coincides with the famous renormalized Euler-Heisenberg action.View original: http://arxiv.org/abs/1306.0383
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