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【求助完畢】LMAXPAW 和LMINPAW設(shè)置與PROCAR中的f有關(guān)嗎? 已有1人參與
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LMAXPAW controls the maximum l quantum number for the evaluation of the on-site terms on the radial support grids in the PAW method. The default for LMAXPAW is 2*lmax, where lmax is the maximum angular quantum number of the partial waves. LMINPAW默認(rèn)為2.對(duì)于 L(S)DA+U,很多情況下需要增加到4(for d)或者6(for f).表示to which l quantum number the onsite PAW charge densities are passed through the charge density mixer and written to the CHGCAR. (1)看起來LMAXPAW/LMINPAW的取值列表為(0,2,4,6),對(duì)應(yīng)(l=0,1,2,3),即s,p,d,f.這個(gè)對(duì)嗎?為什么不直接LMAXPAW/LMAXPAW=l( angular quantum number)而要=2*l? (2)這兩個(gè)參數(shù)與PROCAR和DOSCAR的內(nèi)容有關(guān)嗎? (3)radial support grids指什么? 因?yàn)槲业捏w系含有Ce元素,涉及f軌道計(jì)算. 原文vasp manul 2009 P85. 6.56 [ Last edited by cenwanglai on 2010-10-22 at 19:49 ] |
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