documentclass[aps,twocolumn,groupeaddress,showkeys]{revtex4-1}
usepackage[utf8]{inputenc}
usepackage{pgfplots}
usepackage{tabularx}
usepackage[colorlinks=true,linkcolor=blue,citecolor=blue,urlcolor=blue]{hyperref}
begin{document}
title{Test}
author{$^1$abc}thanks{These authors contributed equally to this work.}
email{abc.com}
author{$^2$xyz}thanks{These authors contributed equally to this work.}
email{xyz@xyz.ac.com}
author{$^2$lmn}thanks{These authors contributed equally to this work.}
email{lmn@lmn.ac.com}
maketitle
end{document}