Here is another hack, probably more useful to those who are
familiar with the American Physical Society Physical Reviews
revtex4.cls template.
Save the following as rvtxwdeq.sty (RevTeX4 wide equation):
\let\wideeqn@outdent\@empty
\newenvironment{wideeqn@galley}{%
\list{}{%
\topsep \z@skip
\listparindent \parindent
\itemindent \parindent
\leftmargin \z@
\parsep \z@\@plus\p@
\wideeqn@outdent
\relax
}%
\item\relax
}{
\endlist
}%
\def\title@co