Wick-Cutkosky model : an introduction


A general pedagogical survey of the basics of the Bethe-Salpeter equation and in particular Wick-Cutkosky model is given in great technical details. The Bethe-Salpeter approach to the relativistic two-body bound state problem assumes that all needed information about a bound state |B > is contained in the B-S amplitude Φ(x 1 , x 2 ; P B) =< 0|T φ 1 (x 1)φ 2… (More)


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