Abstract

The spatial distribution of the action and energy in the color fields of flux tubes is studied in lattice SU(2) field theory for static quarks at separations up to 1 fm. Special attention is paid to the structure of the color fields associated with an excited flux tube with E${}_{u}$ symmetry. We compare our results with hadronic string and flux-tube models. Sum rules are used to extract generalized $\ensuremath{\beta}$ functions, to describe the expected color field behavior, and to cross-check the methods used.

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