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Infrared behaviour of massless QED in space-time dimensions 2 < d < 4 | | Indrajit Mitra
; Raghunath Ratabole
; H. S. Sharatchandra
; | | Date: |
11 Oct 2004 | | Journal: | Phys.Lett. B611 (2005) 289-296 | | Subject: | High Energy Physics - Theory; Superconductivity | hep-th cond-mat.supr-con hep-ph | | Abstract: | We show that the logarithmic infrared divergences in electron self-energy and vertex function of massless QED in 2+1 dimensions can be removed at all orders of 1/N by an appropriate choice of a non-local gauge. Thus the infrared behaviour given by the leading order in 1/N is not modified by higher order corrections. Our analysis gives a computational scheme for the Amati-Testa model, resulting in a non-trivial conformal invariant field theory for all space-time dimensions 2 < d < 4. | | Source: | arXiv, hep-th/0410120 | | Services: | Forum | Review | PDF | Favorites | |
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