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langren24新蟲 (小有名氣)
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[求助]
spin-orbit怎么用。
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| 求助各位大蝦:VASP或者M(jìn)EDEA-VASP里的spin-orbit怎么用啊,請(qǐng)不吝賜教,最好有例子詳解,非常感謝! |
自旋軌道耦合 |
新蟲 (小有名氣)
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VASP幫助文檔中6.61.2中有這么一段話: "Be very careful with symmetry. We recommend to switch off symmetry (ISYM=0) altogether, when spin orbit coupling is selected. Often the k-point set changes from one to the other spin orientation, worsening the transferability of the results (also the WAVECAR file can not be reread properly if the number of k-points changes). Additionally VASP.4.6 (and all older versions) had a bug in the symmetrisation of magnetic fields (fixed only VASP.4.6.23)." |
新蟲 (小有名氣)
新蟲 (小有名氣)
榮譽(yù)版主 (職業(yè)作家)
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1. spin-orbit的參數(shù): LSORBIT = .TRUE. SAXIS = s_x s_y s_z (quantisation axis for spin) 2. “在打開spin-orbit之后,好像K點(diǎn)會(huì)發(fā)生變化,從而導(dǎo)致計(jì)算總是失敗,有什么方法來(lái)固定K點(diǎn)呢?” 是什么意思? |
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