\documentclass[prl,aps,superscriptaddress]{revtex4}

\begin{document}

\title{The title of your contribution}

\author{\underline{Presenting Author}}
\affiliation{Affiliation One}

\author{Author Two}
\affiliation{Affiliation Two}

\author{Author Three}
\affiliation{Affiliation One}
\affiliation{Affiliation Three}

\maketitle

Here starts the text of your abstract which can be as large as
a half of the page.

It may contain several paragraphs, formulas
\begin{equation}
  \cos^2\alpha + \sin^2\alpha \approx 1,
\label{Petrov-eq1}
\end{equation}
and a list of references produced
by the standard REVTeX environment.

\begin{thebibliography}{10}
\bibitem{Petrov-ref1} Reference One.
\bibitem{Petrov-ref2} Reference Two.
\end{thebibliography}

\end{document}