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An Exact QED_{3+1} Effective Action | | Gerald Dunne
; Theodore M. Hall
; | | Date: |
7 Oct 1997 | | Journal: | Phys.Lett. B419 (1998) 322-325 | | Subject: | hep-th | | Abstract: | We compute the exact QED_{3+1} effective action for fermions in the presence of a family of static but spatially inhomogeneous magnetic field profiles. An asymptotic expansion of this exact effective action yields an all-orders derivative expansion, the first terms of which agree with independent derivative expansion computations. These results generalize analogous earlier results by Cangemi et al in QED_{2+1}. | | Source: | arXiv, hep-th/9710062 | | Services: | Forum | Review | PDF | Favorites | |
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