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Graphene Phonon Mean Free Path Calculation ʯīϩÉù×Ó×ÔÓɳ̼ÆËã
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×î½üͶÁËһƪʯīϩµÄÎÄÕ£¬Éó¸åÈËÌá³öÕâÑùÒ»¸öÎÊÌ⣺ What is the phonon mean free path in this calculation? Fourier transform of the atomic vibration in the space will give the error bar in the k space which should corresponds to the phonon mean free path. Éó¸åÈ˵ĵÄÒâ˼Ӧ¸ÃÊÇÈÃÎÒͳ¼ÆÔ×ÓÔÚ¿Õ¼äµÄÕñµ´²¢È¡¸µÀïÒ¶±ä»»£¬È»ºó¾ÍËã³öMFP£¬µ«ÎÒ²»Ã÷°×ΪʲôÕâÑù¿ÉÒԵõ½MFP£¬ÀíÂÛÒÀ¾ÝÊÇʲô£¬ÎÒ¿´ºÜ¶àÈËÔÚ¼ÆËãMFPµÄʱºò¶¼ÊÇÓà k=1/3cvl Õâ¸ö¹«Ê½£¬Ï£Íû¸ßÈËÖ¸µã£¬¶àл£¡ |
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