  We apply a functional perturbative approach to the calculation of the
equal-time two-point correlation functions and the potential between static
color charges to one-loop order in Coulomb gauge Yang-Mills theory. The
functional approach proceeds through a solution of the Schroedinger equation
for the vacuum wave functional to order g^2 and derives the equal-time
correlation functions from a functional integral representation via new
diagrammatic rules. We show that the results coincide with those obtained from
the usual Lagrangian functional integral approach, extract the beta function,
and determine the anomalous dimensions of the equal-time gluon and ghost
two-point functions and the static potential under the assumption of
multiplicative renormalizability to all orders.
