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Induced Lorentz- and CPT-violating Chern-Simons term in QED: Fock-Schwinger proper time method | | J.-M. Chung
; B. K. Chung
; | | Date: |
16 Dec 2000 | | Journal: | Phys.Rev. D63 (2001) 105015 | | Subject: | hep-th | | Abstract: | Using the Fock-Schwinger proper time method, we calculate the induced Chern-Simons term arising from the Lorentz- and CPT-violating sector of quantum electrodynamics with a $b_mu ar{psi}gamma^mu gamma_5 psi$ term. Our result to all orders in $b$ coincides with a recent linear-in-$b$ calculation by Chaichian et al. [hep-th/0010129 v2]. The coincidence was pointed out by Chung [Phys. Lett. {f B461} (1999) 138] and Pérez-Victoria [Phys. Rev. Lett. {f 83} (1999) 2518] in the standard Feynman diagram calculation with the nonperturbative-in-$b$ propagator. | | Source: | arXiv, hep-th/0101097 | | Services: | Forum | Review | PDF | Favorites | |
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