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騎英奔騰銅蟲 (小有名氣)
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[求助]
example里面的些許疑問
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&control calculation='nscf' prefix='ni', pseudo_dir = '/lustre/home/chengdj/pseudo', outdir='/lustre/home/chengdj/tmp' / &system ibrav=2, celldm(1) =6.48, nat=1, ntyp=1, nspin = 2, starting_magnetization(1)=0.7, ecutwfc = 24.0, ecutrho = 288.0, nbnd=8, occupations='tetrahedra' / &electrons conv_thr = 1.0e-10 mixing_beta = 0.7 / ATOMIC_SPECIES Ni 58.69 Ni.pz-nd-rrkjus.UPF ATOMIC_POSITIONS Ni 0.0 0.0 0.0 K_POINTS {automatic} 12 12 12 0 0 0 參數(shù)nbnd=8 是表示價(jià)帶數(shù)目嗎,我看說明書說nbnd=nelec/2 for a metal, 20% more (minimum 4 more). 本例中為何取8,在以后計(jì)算中如何確定它 |
捐助貴賓 (初入文壇)

木蟲 (正式寫手)
銅蟲 (小有名氣)
木蟲 (正式寫手)
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