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What Can We Learn from QED at Large Couplings? | | A. W. Schreiber
; R. Rosenfelder
; C. Alexandrou
; | | Date: |
24 Jul 2000 | | Journal: | AIP Conf.Proc. 539 (2000) 73-79 | | Subject: | hep-th | | Affiliation: | Adelaide), R. Rosenfelder (PSI) and C. Alexandrou (Nicosia | | Abstract: | In order to understand QCD at the energies relevant to hadronic physics one requires analytical methods for dealing with relativistic gauge field theories at large couplings. Strongly coupled quenched QED provides an ideal laboratory for the development of such techniques, in particular as many calculations suggest that - like QCD - this theory has a phase with broken chiral symmetry. In this talk we report on a nonperturbative variational calculation of the electron propagator within quenched QED and compare results to those obtained in other approaches. We find surprising differences among these results. | | Source: | arXiv, hep-th/0007182 | | Services: | Forum | Review | PDF | Favorites | |
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