应《网络安全法》要求，自2017年10月1日起，未进行实名认证将不得使用互联网跟帖服务。为保障您的帐号能够正常使用，请尽快对帐号进行手机号验证，感谢您的理解与支持！

24小时热门版块排行榜    

小木虫论坛-学术科研互动平台 » 计算模拟区 » 第一性原理 » Vasp&MedeA » 【求助】band structures using hybrid functionals 的Kpoints问题
51/1返回列表
查看: 5617  |  回复: 18
只看楼主 @他人 存档 新回复提醒 (忽略) 收藏    在APP中查看
当前只显示满足指定条件的回帖，点击这里查看本话题的所有回帖

wuli8

荣誉版主 (知名作家)

[交流] 【求助】band structures using hybrid functionals 的Kpoints问题

http://cms.mpi.univie.ac.at/vasp-forum/forum_viewtopic.php?4.6633.10
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)

Note: A Hartee-Fock calculation can NOT be continued from an existing CHGCAR file, since the non-local exchange is not determined by the charge density but by the density matrix and/or the KS-orbitals.

以上是官方给出的解释。


我的问题是：
1、-) 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.
按照这样的方法产生的Kpoints运行后提示Kpoints错误，不能读取。
2、这一句不知所云：(to the number of the k-points used in the standard mesh PLUS the number of the k-points along the lines), 没有理解怎么回事？


请问谁用hse的方法计算过能带结构，请show一下下你的Kpoints。
谢谢。

[ Last edited by wuli8 on 2010-12-1 at 21:04 ]
回复此楼

» 收录本帖的淘帖专辑推荐

VASP 第一性原理相关文档 表界面计算 vasp光学
杂化泛函方面的研究 VASP相关 VASP报错建模问题集

» 猜你喜欢

» 本主题相关价值贴推荐，对您同样有帮助:

» 抢金币啦！回帖就可以得到:

查看全部散金贴
1楼 2010-12-01 21:03:29
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

robinson8607

铜虫 (初入文坛)
引用回帖:
1882049楼: Originally posted by 江湖之远 at 2011-04-02 09:35:22
在一楼你贴的那个官方回答里边说的很明白
-) First perform a selfconsistent Hartree-Fock/HSE calculation using a conventional KPOINTS file.
第一遍运行就是HSE自洽运算，而非普通的DFT运算。
...

同问
回复此楼
16楼2012-07-25 20:59:00
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
查看全部 19 个回答

vimtex

银虫 (初入文坛)
show your KPOINTS instead.
赞一下 回复此楼
2楼2010-12-02 00:00:21
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

282926214

金虫 (小有名气)
引用回帖:
Originally posted by vimtex at 2010-12-02 00:00:21:
show your KPOINTS instead.

IBZKPT
是单机产生的？
赞一下 回复此楼
3楼2010-12-02 08:37:51
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

jghe

金虫 (著名写手)
★ ★
zzy870720z(金币+2):谢谢指教 2010-12-04 21:36:29
wuli8(金币+100):感谢。我再试一试 2010-12-04 22:51:40
Automatically generated mesh
      57
Reciprocal lattice
  0.000000  0.000000  0.000000      1.000000
  0.333333  0.000000  0.000000      1.000000
-0.333333  0.000000  0.000000      1.000000
  0.000000  0.333333  0.000000      1.000000
  0.333333  0.333333  0.000000      1.000000
-0.333333  0.333333  0.000000      1.000000
  0.000000 -0.333333  0.000000      1.000000
  0.333333 -0.333333  0.000000      1.000000
-0.333333 -0.333333  0.000000      1.000000
  0.000000  0.000000  0.333333      1.000000
  0.333333  0.000000  0.333333      1.000000
-0.333333  0.000000  0.333333      1.000000
  0.000000  0.333333  0.333333      1.000000
  0.333333  0.333333  0.333333      1.000000
-0.333333  0.333333  0.333333      1.000000
  0.000000 -0.333333  0.333333      1.000000
  0.333333 -0.333333  0.333333      1.000000
-0.333333 -0.333333  0.333333      1.000000
  0.000000  0.000000 -0.333333      1.000000
  0.333333  0.000000 -0.333333      1.000000
-0.333333  0.000000 -0.333333      1.000000
  0.000000  0.333333 -0.333333      1.000000
  0.333333  0.333333 -0.333333      1.000000
-0.333333  0.333333 -0.333333      1.000000
  0.000000 -0.333333 -0.333333      1.000000
  0.333333 -0.333333 -0.333333      1.000000
-0.333333 -0.333333 -0.333333      1.000000  
  0.00000000  0.00000000  0.50000000       0
  0.00000000  0.00000000  0.44444444       0
  0.00000000  0.00000000  0.38888889       0
  0.00000000  0.00000000  0.33333333       0
  0.00000000  0.00000000  0.27777778       0
  0.00000000  0.00000000  0.22222222       0
  0.00000000  0.00000000  0.16666667       0
  0.00000000  0.00000000  0.11111111       0
  0.00000000  0.00000000  0.05555556       0
  0.00000000  0.00000000  0.00000000       0
  0.00000000  0.00000000  0.00000000       0
  0.05555556  0.05555556  0.00000000       0
  0.11111111  0.11111111  0.00000000       0
  0.16666667  0.16666667  0.00000000       0
  0.22222222  0.22222222  0.00000000       0
  0.27777778  0.27777778  0.00000000       0
  0.33333333  0.33333333  0.00000000       0
  0.38888889  0.38888889  0.00000000       0
  0.44444444  0.44444444  0.00000000       0
  0.50000000  0.50000000  0.00000000       0
  0.50000000  0.50000000  0.00000000       0
  0.50000000  0.50000000  0.05555556       0
  0.50000000  0.50000000  0.11111111       0
  0.50000000  0.50000000  0.16666667       0
  0.50000000  0.50000000  0.22222222       0
  0.50000000  0.50000000  0.27777778       0
  0.50000000  0.50000000  0.33333333       0
  0.50000000  0.50000000  0.38888889       0
  0.50000000  0.50000000  0.44444444       0
  0.50000000  0.50000000  0.50000000       0

例子，上半部分是Monkhorst Pack产生的K点，下面是高对称的K点，第二行总K点的数目是两部分的总和，画能带的时候只取下面高对称部分的本征值即可
赞一下(2人) 回复此楼
4楼2010-12-04 21:15:41
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
查看全部 19 个回答
普通表情 龙 兔 虎 猫 高级回复 (可上传附件)
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[论文投稿] 售SCI一区文章，我:8O5.5.1.O5.4,科目全,可伽急 +3 2JOx3r2CYEgw 2026-08-22 4/200 2026-08-23 04:04 by OEbVnUOu01ol
[硕博家园] 售SCI一区T0P文章，我:8.O.55.1.O54,科目全,可伽急 +3 2JOx3r2CYEgw 2026-08-22 4/200 2026-08-23 03:55 by OEbVnUOu01ol
[论文投稿] 售一区SCI文章T0P，我:8O.551.O54,科目全,可十急 +3 2JOx3r2CYEgw 2026-08-22 5/250 2026-08-23 03:52 by OEbVnUOu01ol
[考博] 售SCI文章，我:8O.5.5.1O.54,科目全,可十急 +3 DpSrDtM079iu 2026-08-22 3/150 2026-08-23 00:55 by OEbVnUOu01ol
[基金申请] 93BebMhtakh前后11位开头都是大写 +7 且听虎啸 2026-08-17 8/400 2026-08-22 21:55 by 医学老男孩
[基金申请] 范进中举一文的中心思想 +3 zjuhero 2026-08-22 4/200 2026-08-22 20:02 by mycsru
[教师之家] 售一区SCI文章T0P，我:8O.551.O54,科目全,可十急 +4 2JOx3r2CYEgw 2026-08-21 4/200 2026-08-22 16:52 by sunzitan
[基金申请] 今天基金会出结果吗？20260819 +16 kkkl_v 2026-08-19 17/850 2026-08-22 16:12 by 阿布Abu
[基金申请] 建议基金发布提前给出明确的时间点 +10 kulium 2026-08-21 13/650 2026-08-21 21:58 by alongwaytogo
[基金申请] 今日不放榜？网传国自然预计 8 月 27 日可查结果 +16 医学老男孩 2026-08-20 20/1000 2026-08-21 21:13 by Ldrop2023
[基金申请] 让我中一个面上吧！ +11 大萍1987 2026-08-20 13/650 2026-08-21 14:48 by 20120902066
[基金申请] 感觉是下周放榜了 +7 angus9576 2026-08-17 12/600 2026-08-21 13:38 by weiyin
[基金申请] 应该是下周三26日公布了吧？ +4 哈哈蛤？ 2026-08-21 4/200 2026-08-21 10:58 by Vivilian
[基金申请] 今天放榜没戏了吧 +9 yuleib84 2026-08-19 11/550 2026-08-21 10:06 by gltch
[基金申请] 基金啊基金 +4 longfie172 2026-08-20 4/200 2026-08-21 08:58 by mark mao
[基金申请] 估计是周四 +3 archvillain 2026-08-18 3/150 2026-08-21 01:48 by jnhyjjm
[基金申请] 重要消息，中午系统在维护 +11 yuleib84 2026-08-18 12/600 2026-08-20 11:09 by xskun
[基金申请] 今天放榜吗？ +14 布布和一二 2026-08-19 15/750 2026-08-19 18:07 by gltch
[基金申请] 朋友圈看到的 +6 wangzilk 2026-08-18 8/400 2026-08-19 10:55 by Haru815
[基金申请] 明天放榜？ +5 Shxjjxjkx 2026-08-18 5/250 2026-08-18 18:14 by -大大大大大-
信息提示
关闭
请填处理意见
关闭