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hep-ph2000
On conditions for the nonperturbative equivalence of ultraviolet cut-off and dimensional regularization schemes
Ayse Kizilersu, Tom Sizer, Anthony G. Williams
We consider procedures through which an ultraviolet cut-off regularization scheme can be modified to reproduce the same results for nonperturbative renormalized Green's functions a…
hep-ph1996
Subtractive Renormalization of Strong-Coupling Quenched QED in Four Dimensions
Frederick T. Hawes, Tom Sizer, Anthony G. Williams
We study renormalized quenched strong-coupling QED in four dimensions in arbitrary covariant gauge, in the Dyson-Schwinger equation formalism. Above the chiral critical coupling, w…