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<div id="wrapper"><table width="700" border="1" align="center">  <tr>       <td bgcolor="#CCCCFF" class="title">PS3-9　遺伝的アルゴリズムを用いた結晶構造探索における計算時間短縮法</td>     </tr>     <tr>       <td class="chosha">◎吉澤和真，川吊　学，島田和宏，宮崎道雄（関東学院大学）</td>     </tr>     <tr>       <td class="abst">密度汎関数理論に基づいた第一原理計算によって,結晶の全エネルギーを求めることができる.これとGenetic algorithm(GA)などのメタヒューリスティックを組み合わせることで,安定な結晶構造の探索を行う手法がいくつか提案されている.本論文では,GAを用いて結晶構造探索を行う際の計算時間短縮の一つを示す.</td>     </tr> </table></div>
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