Euler-Lagrange equations for the Gribov reggeon calculus in QCD and in gravity
Abstract
The theory of the high energy scattering in QCD and gravity is based on the reggeization of gluons and gravitons, respectively. We discuss the corresponding effective actions for reggeized particle interactions. The Euler-Lagrange equations in these theories are constructed with a variational approach for the effective actions and by using their invariance under the gauge and general coordinate transformations.
The investigation is supported by the St.Petersburg State University grant and RFBI grant 14-2200281.
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