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wilsun7銀蟲(chóng) (初入文壇)
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[求助]
計(jì)算費(fèi)米面時(shí)遇到的問(wèn)題
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大家好,本人新手,在計(jì)算費(fèi)米面時(shí)遇到一個(gè)問(wèn)題:在運(yùn)行 bands_FS.x > bands_FS.out 時(shí)沒(méi)有任何反應(yīng),查看系統(tǒng)監(jiān)視器,bands_FS.x 根本沒(méi)有運(yùn)行。希望大神幫我看看問(wèn)題處在那。計(jì)算是參考的這個(gè)網(wǎng)站: http://valenhou.blog.edu.cn/2006/133295.html 以下附上本人的計(jì)算過(guò)程,希望和大家一起研究 第一步:自洽計(jì)算(pw.x < scf-FeSe.in > scf-FeSe.out) 輸入文件: &CONTROL calculation = 'scf' , restart_mode = 'from_scratch' , wf_collect = .true. , outdir = './tmp' , pseudo_dir = '/home/wilson/Downloads/espresso-4.3.1/Psudoptential_files', prefix = 'FeSe' , verbosity = 'high' / &SYSTEM ibrav = 0, celldm(1) = 7.1148, nat = 4, ntyp = 2, nspin = 1, ecutwfc = 30.0 , ecutrho = 300.0 , occupations = 'smearing' , degauss = 0.01 , smearing = 'methfessel-paxton' , / &ELECTRONS electron_maxstep = 500, conv_thr = 1.0e-10 , mixing_beta = 0.1 , diagonalization = 'david' , / CELL_PARAMETERS 1.000000000 0.000000000 0.000000000 0.000000000 1.000000000 0.000000000 0.000000000 0.000000000 1.465600000 ATOMIC_SPECIES Fe 55.85 Fe.pbe-sp-van.UPF Se 78.96 Se.pbe-van.UPF ATOMIC_POSITIONS crystal Fe 0.250000 0.75000 0.00000 Fe 0.750000 0.25000 0.00000 Se 0.250000 0.25000 0.26000 Se 0.75000 0.75000 0.74000 K_POINTS automatic 8 8 6 1 1 1 第二步:用kvecs_FS.x產(chǎn)生要計(jì)算費(fèi)米面時(shí)的密集網(wǎng)格k點(diǎn)(kvecs_FS.x < kvecs_FS.in > kvecs_FS.out) kvecs_FS.in 文件如下: kvecs_FS.in 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 0.682314 16 16 16 FeSe 然后 kvecs_FS.x < kvecs_FS.in > kvecs_FS.out 這時(shí)會(huì)生成文件kvecs_fese 包含了所有k點(diǎn) 第三步:進(jìn)行一次非自洽計(jì)算,計(jì)算這些k點(diǎn)的本征值(cat scf.in kvecs_FeSe > nscf.in) 把 scf 的輸入文件和生成的k點(diǎn)附加到nscf中。 輸入文件: &CONTROL calculation = 'nscf' , restart_mode = 'from_scratch' , wf_collect = .true. , outdir = './tmp' , pseudo_dir = '/home/wilson/Downloads/espresso-4.3.1/Psudoptential_files', prefix = 'FeSe' , verbosity = 'high' / &SYSTEM ibrav = 0, celldm(1) = 7.1148, nat = 4, ntyp = 2, nspin = 1, ecutwfc = 30.0 , ecutrho = 300.0 , occupations = 'smearing' , degauss = 0.01 , smearing = 'methfessel-paxton' , / &ELECTRONS electron_maxstep = 500, conv_thr = 1.0e-10 , mixing_beta = 0.1 , diagonalization = 'david' , / CELL_PARAMETERS 1.000000000 0.000000000 0.000000000 0.000000000 1.000000000 0.000000000 0.000000000 0.000000000 1.465600000 ATOMIC_SPECIES Fe 55.85 Fe.pbe-sp-van.UPF Se 78.96 Se.pbe-van.UPF ATOMIC_POSITIONS crystal Fe 0.250000 0.75000 0.00000 Fe 0.750000 0.25000 0.00000 Se 0.250000 0.25000 0.26000 Se 0.75000 0.75000 0.74000 K_POINTS 4913 0.000000 0.000000 0.000000 1.00 0.000000 0.000000 0.042645 1.00 0.000000 0.000000 0.085289 1.00 ..... ..... ...... ... 再run pw.x < nscf-FeSe.in > nscf-FeSe.out 第四步:用bands_FS.x將計(jì)算的k點(diǎn)以及相應(yīng)的本征值,轉(zhuǎn)換成xcrysden軟件的bxsf格式。 首先把 nscf-FeSe.out 復(fù)制到 Bands.out 然后新建文件input_FS : 20 24 8.8449 FeSe 16 16 16 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 0.682314 再run bands_FS.x > bands_FS.out 然后應(yīng)該就可以了。我的問(wèn)題出現(xiàn)在最后一步,前面3步一切正常。最后一步 bands_FS.x > bands_FS.out 后就沒(méi)反應(yīng)了。。。希望大家?guī)臀铱纯磫?wèn)題出在哪兒。謝謝 |
至尊木蟲(chóng) (職業(yè)作家)
木蟲(chóng) (正式寫(xiě)手)
銀蟲(chóng) (初入文壇)
金蟲(chóng) (著名寫(xiě)手)
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