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´ó¼ÒºÃ£¬ ÎҲ鿴ÁËÎÄÏ×[jian-sheng wang, jian wang and j. t. lu, quantum thermal transport in nanostructures, eur. phys. j. b 62, 381 (2008)]£¬ÆäÖУ¬57ºÅ¹«Ê½½âÊ͵ÄÈȵ¼µÄ͸ÉäϵÊý£¬¹«Ê½ÈçÏ£º $$T_{\omega}={Tr}\left[G^{R}\Gamma_\text{left}G^{A}\Gamma_\text{right}\right]\tag{1}$$ ÁíÒ»·½Ã棬ÎÄÏ×[a. r. rocha, v. m. garc¨ªa-su¨¢rez, s. bailey, c. lambert, j. ferrer and s. sanvito, spin and molecular electronics in atomically generated orbital landscapes, phys. rev. b, 73, 085414 (2006)]ÀïµÄ12ºÅ¹«Ê½½âÊÍÁ˵絼µÄ͸ÉäϵÊý£¬¹«Ê½ÈçÏÂ: $$G=\frac{2e^{2}}{h}\mathrm{Tr}\left[\Gamma_\text{left}G_{M}^{A}\Gamma_\text{right}G_{M}^{R}\right]\tag{2}$$ ÎҲ鿴ÁËÏÂÕâÁ½¸ö¹«Ê½£¬³ýÁ˵絼͸ÉäϵÊýÀïµÄϵÊý£¨ Èç¹û²»ÊÇ£¬Á½¸ö¹«Ê½µÄÇø±ðÔÚÄÄÀïÄØ£¿ Èç¹ûÊÇ£¬ÄÇ×îÖյ絼ºÍÈȵ¼Æñ²»Ò²ÊÇÏàͬµÄÎïÀíÁ¿ÁË£¬ÒòΪËüÃǶ¼µÈÓÚ¸÷×ÔµÄ͸ÉäϵÊý½øÐлý·Ö£¿ |
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