Classical algebraic chromodynamics

Abstract
I develop an extension of the usual equations of SU(n) chromodynamics which permits the consistent introduction of classical, noncommuting quark source charges. The extension involves adding a singlet gluon, giving a U(n)-based theory with outer product Pa(u, v)=(12)(dabc+ifabc)(ubvcvbuc) which obeys the Jacobi identity, inner product S(u, v)=(12)(uava+vaua), and with the n2 gluon fields elevated to algebraic fields over the quark color charge C* algebra. I show that provided the color charge algebra satisfies the condition S(P(u, v), w)=S(u, P(v, w)) for all elements u, v, w of the algebra, all the standard derivations of Lagrangian chromodynamics continue to hold in the algebraic chromodynamics case. I analyze in detail the color charge algebra in the two-particle (qq, qq¯, qq) case and show that the above consistency condition is satisfied for the following unique (and, interstingly, asymmetric) choice of quark and antiquark charges: Qqa=ξa Qq¯a=ξ¯a+δa0(n2)321, with ξaξb=(12)(dabc+ifabc)ξc, ξ¯aξ¯b=(12)(dabcifabc)ξ¯c. The algebraic structure of the two-particle

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