Parametric form of QCD travelling waves

Abstract

We derive parametric travelling-wave solutions of non-linear QCD equations. They describe the evolution towards saturation in the geometric scaling region. The method, based on an expansion in the inverse of the wave velocity, leads to a solvable hierarchy of differential equations. A universal parametric form of travelling waves emerges from the first two orders of the expansion.

4 pages, 1 figure

References in corpus (2)

• Universal behavior of QCD amplitudes at high energy from general tools of statistical physics
• A Langevin equation for high energy evolution with pomeron loops

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• Extended Geometric Scaling from Generalized Traveling Waves
• Traveling wave solution of the Reggeon Field Theory
• Infrared instability from nonlinear QCD evolution
• Spin-glass model of QCD near saturation