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[ÇóÖú] tunneling matrix element ÇóÖú

×î½ü¿´ÓйØÀ©É¢µÄÎÄÏ×£¬·¢ÏÖºÜ¶à¹ØÓÚtunneling matrix element(or transfer integral)µÄ˵·¨£¬ÆäÓÐÊÆÄÜÃæÍ¨¹ý½âѦ¶¨ÚÌ·½³ÌµÃµ½¡£¶øÇÒʵÑéÓвâÁ¿Öµ£¬²»ÖªµÀÕâ¸ötunneling matrix elementÊÇָʲô£¿ÖªµÀµÄͬ־£¬Âé·³Ö¸µãһϣ¬Ëü¶ÔÓ¦µÄ¹þÃܶÙÁ¿ÓÖÊÇʲô£¿
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http://prl.aps.org/abstract/PRL/v52/i15/p1308_1
http://prl.aps.org/abstract/PRL/v92/i15/e155901
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ÔÓÖÊÔ­×ÓÔÚ¾§ÌåÀï»òÕß±íÃæÉϵÄÀ©É¢ÓÐÁ½ÖÖ£ºµÍÎÂÏÂÇ÷ÏòÁ¿×ÓËì´©£¬¸ßÎÂÏÂתÏò¾­µäÌøÔ¾¡£¶øÕâ¸öËùνµÄtunneling matrix element¾ÍÊÇÁ¿×ÓËì´©ÀïµÄÒ»¸ö³£Êý£¬ÆäʵºÍµç×ӽṹÀïtight binding methodÖеÄhopping integralÊÇÀàËÆµÄ¸ÅÄî¡£
Â¥Ö÷¿ÉÒԲο¼ÒÔÏÂÎÄÕµÄͼ1(b£©ºÍ¹«Ê½4£¬¶ÔÓÚquantum tunnelingµÄ¾ßÌåÀíÂÛ£¬¿ÉÒԲο¼Methodology²¿·Ö£¬Æäʵquantum tunnelingÓжàÖÖ·½·¨Ä£Ä⣬µ«ÊǸöÈËÈÏΪÏÂÃæÎÄÕÂËùÓõÄsmall-polaron method´ÓÎïÀíÉÏÀ´ËµÊÇ×îÑϸñµÄ¡£¶øÄã¸øµÄÁ½ÆªÎÄÕÂÀïÃæµÄÄÇÆªÀíÂÛÎÄÕ£¬Ò²ÊÇÓÃÁËsmall-polaron method.
http://iopscience.iop.org/0953-8984/23/43/435007
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