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jttjtl(½ð±Ò+1):лл²ÎÓë
bingmou(½ð±Ò+1):¸Ðл·ÖÏí 2010-10-20 13:09:15
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jttjtl(½ð±Ò+1):лл²ÎÓë
bingmou(½ð±Ò+1):¸Ðл·ÖÏí 2010-10-20 13:09:15
jttjtl(½ð±Ò+5):ÇëÎÊ£ºÎÒ¼ÆËãÄÜ´øÊ±ÓÃÁË֮ǰ×ÔÇ¢µÃµ½µÄWAVECAR+CHGCAR £¬ÕâÑù×ö¶ÔÂ𣿠2010-10-20 18:59:11
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8Â¥2010-10-20 12:17:36
jttjtl
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ÕâÊÇÎÒÔÚvasp¹Ù·½ÂÛ̳¿´µ½µÄHSE¼ÆËãµÄÌû×Ó£º band structures using hybrid functionals have to be calculated the following way: -) First perform a selfconsistent Hartree-Fock/HSE calculation using a conventional KPOINTS file. -) Copy the IBZKPT file to KPOINTS, and explicitely add all desired k-points along high-symmetry lines of the BZ that are needed for the bandstructure plot. Add the points at the end of the KPOINTS file, but set the weights of these added k-points to 0. -) Do not forget to set the number of k-points in KPOINTS correctly (to the number of the k-points used in the standard mesh PLUS the number of the k-points along the lines), such that all k-points are used for the calculations. -) NKRED can not be used. -) Perform a second VASP run: It is recommended to use the Davidson algorithm, since it converges that eigen energies at the new k-points fastest. Since VASP terminates when the total energy is converged to a certain threshold, it is important to force VASP to do a minimum number of steps, so that the orbitals at the new k-points are fully converged (note: since their weight is zero, they do not contribute to the total energy). This can be done using e.g. ALGO = N ; NELMIN = 5 ! Davidson, minimum 5 scf-steps IBRION = 1 ! Use simple charge mixer, since Pulay might blow up -) The KS-eigenvalues of the states along the high-symmetry lines are written in OUTCAR, EIGENVAL, vasprun.xml; please cut the k-points required for the bandstructure from one of these files and proceed as usual (using p4vasp or any other graphics tool you usually use to produce bandstructure-plots) ÏëÇë¸ßÊÖ½²½²ÕâÑùËãµÄÔÒò~ |
9Â¥2010-10-20 19:01:58
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29Â¥2021-01-22 09:37:42
sunyang1988
ÖÁ×ðľ³æ (ÖøÃûдÊÖ)
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ym23(½ð±Ò+2):»¶Ó³£À´½»Á÷ 2010-10-19 20:21:53
jttjtl(½ð±Ò+5): 2010-10-20 10:08:36
ym23(½ð±Ò+2):»¶Ó³£À´½»Á÷ 2010-10-19 20:21:53
jttjtl(½ð±Ò+5): 2010-10-20 10:08:36
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2Â¥2010-10-19 19:36:04
jttjtl
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3Â¥2010-10-20 10:11:24
wusongz
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4Â¥2010-10-20 10:13:02
sunyang1988
ÖÁ×ðľ³æ (ÖøÃûдÊÖ)
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- Ìû×Ó: 1744
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jttjtl(½ð±Ò+2): 2010-10-20 11:22:36
zzy870720z(½ð±Ò+1): ллÌáʾ 2011-09-03 17:00:36
jttjtl(½ð±Ò+2): 2010-10-20 11:22:36
zzy870720z(½ð±Ò+1): ллÌáʾ 2011-09-03 17:00:36
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5Â¥2010-10-20 10:51:36
jttjtl
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6Â¥2010-10-20 11:21:20
sunyang1988
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- ¹ó±ö: 0.984
- ½ð±Ò: 9397.7
- É¢½ð: 1593
- ºì»¨: 23
- ɳ·¢: 1
- Ìû×Ó: 1744
- ÔÚÏß: 1255.8Сʱ
- ³æºÅ: 965316
- ×¢²á: 2010-03-09
- ÐÔ±ð: GG
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