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各位高手 ,Wien2K在计算磁性材料时 , 如何计算材料的 NM (非磁性态)+SOC的总能 ? 已有1人参与
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各位高手 ,Wien2K在计算磁性材料时 , 如何计算材料的 NM (非磁性态)+SOC的总能 ? 想比较 磁性材料的各种磁性态的总能,确定磁性基态 , 如何计算材料的 NM (非磁性态)+SOC的总能 ? |
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Treatment of SOC in Wien2k As a matter of fact, we need the output for the DFT band structure for both spin directions explicitly. That means that one needs to do a spin-polarised DFT calculation with SOC, but, however, with "magnetic moment set to zero". In the Wien2k initialisation procedure, one can choose for the option -nom when lstart is called. This means that the charge densities are initialised without magnetic splitting. The SOC calculation is then performed in a standard way as described in the Wien2k manual. Note that the final "x lapw2 -almd -so -up" and "x lapw2 -almd -so -dn" have to be run on a single core, which implies that, before, "x lapw2 -up", "x lapw2 -dn", and "x lapwso -up" have to be run in single-core mode (at least once). |
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