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3Â¥: Originally posted by ±ôÁÙ±ÀÀ£µÄСÕÔ at 2024-10-24 12:59:45
ÄúºÃ£¬ÎÒÏëÇëÎÊһϣ¬Èç¹ûͬһ¸öλÖÃÉÏ£¬ÓÐÁ½ÖÖÔªËØ£¬¾ÍÊǸÅÂÊÕ¼¾ÝµÄÎÊÌ⣬ÕâÖֵϰ¿ÉÒÔ¼ÆËãÄÜ´ø½á¹¹Âð£¬Ó¦¸ÃÔõÑùÉèÖÃMSºóÈ¥¼ÆËã
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Èç¹ûͬһ¸öλÖÃÉÏ£¬ÓÐÁ½ÖÖÔªËØ£¬¾ÍÊǸÅÂÊÕ¼¾ÝµÄÎÊÌ⣬ÕâÖֵϰ¿ÉÒÔ¼ÆËãÄÜ´ø½á¹¹ band structure. We often call it Bloch Spectral Function.
there are two ways to calculate Bloch Spectral Function.
- supercell, for example, you replace 1% of A atom by B atom, first you need to build a 100x unit cell with A atoms, then replace one A atom by B atom. Keep in mind, you need unfoold the banstructure after the calculation, since new supercell is 100x larger than the original unit cell.
- KKR-CPA, coherent-potential-approximation, you can use KKR code, MUST (https://github.com/mstsuite/MuST), AkaiKKR (https://kkr.issp.u-tokyo.ac.jp/download/); juKKR (https://iffgit.fz-juelich.de/kkr/jukkr)
4Â¥2024-10-26 00:42:51
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