A. A. Khelashvili, “Delbourgo representation and the gluon propagator in the light-like (<nobr>$n^2=0$</nobr>) gauge”, TMF, 1981, Volume 46, Number 2,Pages <nobr>225

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Delbourgo representation and the gluon propagator in the light-like ($n^2=0$) gauge

A. A. Khelashvili

Abstract: By means of the Delbourgo representation for the three-gIuon vertex function as solution of the Slavnov–Taylor identity, the Dyson–Schwinger equation is reduced to a linear integral equation for the spectral density of the gluon propagator. Transition to the light-like ($n^2=0$) gauge yields the explicit form of the equation, and it is shown that its solution has the same behavior in both the ultraviolet and the infrared region.

Received: 25.02.1980