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[·ÖÏí] ÈçºÎÓÃVASP¼ÆËãµ¥¸öÔ×ÓµÄÄÜÁ¿[ȨÍþ°æ] ÕâÊÇVASP×÷Õ߸ø³öµÄ½â´ð,ËùÒÔËãÊÇȨÍþÁË.ÔÎÄÈçÏÂ: The energy zero .. in VASP all energies are referred to the the reference state for which the potential was generated! this is in most cases not the real groundstate of the atom .. to determined the energy of the grounstate of the atom place the atom in a larger non cubic box to break initial symmetry (i.e. 11Ax10Ax9A) use the G point only INCAR: ISPIN = 2 ! spin polarized ISMEAR = 0 ; SIGMA = 0.2 ! for small sigma conv. for TM is diff. MAGMOM = 2 ! initial magnetic moment one should use the energy value energy without entropy of the OUTCAR file since this coverges most rapidly to the correct energy for sigma 0 .. Ecoh=E_total-n*Eatom ´óÔ¼·ÒëÈçÏÂ: ÔÚVASPÖУ¬ËùÓеÄÄÜÁ¿ÊÇÏà¶ÔÓÚ²úÉúØÍÊÆµÄ×é̬À´ËµµÄ£¬ËùÒÔ²¢²»Äܽ«¼ÆËãµÃµ½µÄÄÜÁ¿µ±³ÉÕæÕýµÄÔ×ӵĻù̬ÄÜÁ¿¡£ ΪÁ˵õ½Ô×ӵĻù̬ÄÜÁ¿£¬½«Ô×Ó·ÅÔÚÒ»¸ö·ÇÕý·½ÌåµÄ¾§¸ñÄÚ£¬±ÈÈç˵11Ax10Ax9AµÄ¾§¸ñ£¨ÕâÑù×öÊÇΪÁËÏû³ý¼ò²¢£©¡£ KPOINTSÖ»ÓÃGÈöµã ´ó¸ÅµÄINCARÎļþ¿ÉÒÔÈçÏ£º ISPIN = 2 ! spin polarized ISMEAR = 0 ; SIGMA = 0.2 ! for small sigma conv. for TM is diff. MAGMOM = 2 ! initial magnetic moment ¼ÆËã½áÊøºó£¬Ó¦¸ÃÓÃOUTCARÖв»º¬entropyµÄÄÇÒ»ÏîÄÜÁ¿£¬ÒòΪËüͨ³£¸ü¿ìµÄÊÕÁ²µ½sigma=0µÄÕýÈ·Öµ¡£×îºó¼ÆËã½áºÏÄܵĹ«Ê½Ó¦¸ÃΪ Ecoh=E_total-n*Eatom |
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