\batchmode
%
\documentclass[12pt,letterpaper,oneside,onecolumn]{article}
\makeatletter
\usepackage[]{fontenc}
\usepackage[dvips]{epsfig}


\makeatletter












\makeatother


\pagestyle{plain}
\setcounter{secnumdepth}{3}
\setcounter{tocdepth}{3}

\def\LyX{L\kern-.1667em\lower.25em\hbox{Y}\kern-.125emX\spacefactor1000}

\newcommand {\lyxtitle}[1] {\thispagestyle{empty}
\global\@topnum\z@
\section*{\LARGE \centering \sffamily \bfseries \protect#1 }
}

\newcommand {\lyxline}[1]{
{#1 \vspace{1ex} \hrule width \columnwidth \vspace{1ex}}
}

\newenvironment {lyxbibliography}
{
\begin{thebibliography}{99}}
{\end{thebibliography}}

\def\lxq{"}

\newenvironment {lyxcode}
{\list{}{
\rightmargin\leftmargin
\raggedright
\itemsep 0pt
\parsep 0pt
\ttfamily
}\item[]
}
{\endlist}

\newcommand {\lyxlabel}[1]{#1 \hfill}

\newenvironment {lyxlist}[1]
{\begin{list}{}
{\settowidth{\labelwidth}{#1}
\setlength{\leftmargin}{\labelwidth}
\addtolength{\leftmargin}{\labelsep}
\renewcommand  {\makelabel}{\lyxlabel}}}
{\end{list}}

\newcommand {\lyxletterstyle}{
\setlength\parskip{0.7em}
\setlength\parindent{0pt}
}

\newcommand {\lyxaddress}[1]{
\par {\raggedright #1 
\vspace{1.4em}
\noindent\par}
}

\newcommand {\lyxrightaddress}[1]{
\par {\raggedleft \begin{tabular}{l}\ignorespaces
#1
\end{tabular}
\vspace{1.4em}
\par}
}

\newcommand {\lyxformula}[1]{
\begin{eqnarray*}
#1
\end{eqnarray*}
}

\newcommand {\lyxnumberedformula}[1]{
\begin{eqnarray}
#1
\end{eqnarray}
}

\makeatother
\newenvironment{tex2html_wrap}{}{}
\newwrite\lthtmlwrite
\def\lthtmltypeout#1{{\let\protect\string\immediate\write\lthtmlwrite{#1}}}%
\newbox\sizebox
\begin{document}
\pagestyle{empty}
\setcounter{secnumdepth}{3}
\setcounter{tocdepth}{3}
{\newpage
\clearpage
\samepage \( H|n>=E_{n}|n> \)
}

{\newpage
\clearpage
\samepage \( H=H_{0}+H_{1} \)
}

{\newpage
\clearpage
\samepage \( H_{0}>>H_{1} \)
}

{\newpage
\clearpage
\samepage \( H_{0}|n^{(0)}>=E_{n}|n^{(0)}> \)
}

{\newpage
\clearpage
\samepage \( H=\frac{p_{1}^{2}}{2m}+\frac{p_{2}^{2}}{2m}-\frac{Ze}{r_{1}}-\frac{Ze}{r_{2}}+\frac{e^{2}}{|r^{i}_{1}-r_{2}^{i}|} \)
}

{\newpage
\clearpage
\samepage \( H_{1} \)
}

{\newpage
\clearpage
\samepage \( H_{0} \)
}

{\newpage
\clearpage
\samepage \( <r_{1}^{i}r_{2}^{j}|n_{1}l_{1}m_{1}n_{2}l_{2}m_{2}>=R_{nl_{1}}(r_{1})R_{nl_{2}}(r)Y_{l_{1}m_{1}}(r_{1}^{i})Y_{l_{2}m_{2}}(r_{2}^{i}) \)
}

{\newpage
\clearpage
\samepage \( E_{n}^{(0)}=-Z^{2}R_{y}(\frac{1}{n_{1}^{2}}+\frac{1}{n_{2}^{2}}) \)
}

{\newpage
\clearpage
\samepage \( <p^{(0)}|H|m^{(0)}><m^{(0)}|n>=E_{n}<p^{(0)}|n> \)
}

{\newpage
\clearpage
\samepage \( |n^{(0)}> \)
}

{\newpage
\clearpage
\samepage \( H=H_{0}+\lambda H_{1} \)
}

{\newpage
\clearpage
\samepage \( \lambda  \)
}


\end{document}
