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199jiajia金蟲 (初入文壇)
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[求助]
vasp可以計算激子效應嗎 已有2人參與
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老師讓我計算一下激子效應,之前師兄師姐也都沒有計算過,vasp能計算嗎?如果可以的話怎么設(shè)置參數(shù)呢? 有個老師提到可以用BerkeleyGW,之前從來沒有過這個,如何使用這個軟件計算呢?參數(shù)有沒有什么例子可以參考一下的? 各位,多謝 |
第一性原理 |

木蟲 (著名寫手)
木蟲 (小有名氣)
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INCAR_1 SYSTEM = - local optimisation ENCUT = 500 EDIFF = 1e-5 IBRION = 2 ISIF = 2 NSW = 0 ISMEAR = 0 ; SIGMA = 0.05 POTIM = 0.1 #Wavefunction and charge LWAVE = T LCHARG = T #Target Pressure #PSTRESS = 3000 #Finer optimization EDIFFG = -0.01 LOPTICS=.TRUE. NBANDS=144 NEDOS=2000 #ALGO=BSE #NOMEGA = 50 #LSPECTRAL=.TRUE. INCAR_2 SYSTEM = - local optimisation ENCUT = 500 EDIFF = 1e-5 IBRION = 2 ISIF = 2 NSW = 0 ISMEAR = 0 ; SIGMA = 0.05 POTIM = 0.1 #Wavefunction and charge LWAVE = T LCHARG = T #Target Pressure #PSTRESS = 3000 #Finer optimization EDIFFG = -0.01 LOPTICS = .TRUE. NBANDS=144 NEDOS=2000 ALGO=GW0 NELM=1 NOMEGA=72 LSPECTRAL = .TRUE. ENCUTGW = 500 INCAR_3 SYSTEM = - local optimisation ENCUT = 500 EDIFF = 1e-5 IBRION = 2 ISIF = 2 NSW = 0 ISMEAR = 0 ; SIGMA = 0.05 POTIM = 0.1 #Wavefunction and charge LWAVE = T LCHARG = T #Target Pressure #PSTRESS = 3000 #Finer optimization EDIFFG = -0.01 LOPTICS = .TRUE. NBANDS=144 NEDOS=2000 ALGO=BSE NOMEGA=72 ENCUTGW = 500 NBANDSO = 12 NBANDSV = 12 LSPECTRAL = .TRUE. |
金蟲 (初入文壇)

木蟲 (小有名氣)
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