% <PLAINTEXT>
% $BNL;RJ*M}3X(B $B!'(B $B1i=,LdBj(B 7-4 $B2rEz(B
% $B:n(B  $B@.(B  $B<T(B $B!'(B f9311196 $B?e8M(B $BOB9,(B
% $B:n@.G/7nF|(B $B!'(B /96/02/21
% $BEE;R%a!<%k(B $B!'(B f11196@ced.cas.uec.ac.jp
%
\mondai
{f9311196 $B?e8M(B $BOB9,(B}
{96/02/21}
{f11196@ced.cas.uec.ac.jp}
{7-4}
{
%----$BLdBjJ8(B----%
$B#1<!85>cJI(B $ (7.1) $ $B$G!"F~<MEE;R$N%(%M%k%.!<(B $ E $ $B$H(B $ V_{0} $ $B$,Ey$7$/(B 
$ a = 10 $ $ {\rm \AA} $ $B$N$H$-!"(B$ V_{0} $ $B$,2?(B $ {\rm eV} $ $B$@$HF)2a3NN((B$ T $ $B$,(B
$ 0.1 $ $B$K$J$k$+!#(B\\
}
{
%----$B2rEzJ8(B---%
$ E $ $B$H(B $ V_{0} $ $B$,Ey$7$$$H$$$&$3$H$O!"(B$ x = 1 $ $B$G$"$k$+$i!"(B$ 7.1 $ $B$N7k2L$G(B
$ x \rightarrow 1 $ $B$N6K8B$r$H$C$?$b$N$H0lCW$9$k!#$h$C$F!"F)2a3NN((B $ T $ $B$O!"(B\\
\begin{equation}
 T = \displaystyle \frac{4}{\alpha +4} = 0.1
\end{equation}
$B$H$J$k!#$3$l$h$j!"(B$ \alpha = 36 $ $B$H$J$j5a$a$kF~<MEE;R%(%M%k%.!<(B $ V_{0} $ $B$O!"(B \\
\begin{equation}
\begin{array}{lcl}
 \displaystyle V_{0}
& = & \displaystyle \frac{ \alpha \hbar^{2}}{ 2ma^{2}} \\
& = & \displaystyle \frac{ 36 \times (6.63 \times 10^{-34} / 2 \times 3.14)^{2}}
      {2 \times 9.11 \times 10^{-31} \times (10 \times 10^{-10})^{2} } \\
& = & 2.20 \times 10^{-19} \hspace{3mm}{\rm [J]} \\
& = & 1.37 \hspace{3mm}{\rm [eV]}
\end{array}
\end{equation}
$B$H$J$k!#(B
}
