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- From: 晨halo <ares.du@live.cn>
- To: <forum@abinit.org>
- Subject: {Spam?} RE: {Spam?} [abinit-forum] how to build cell for diamagnetic material?
- Date: Fri, 2 Oct 2009 02:14:54 +0800
- Importance: Normal
hi, prof. Josef W. Zwanziger thank you for your quickly reply. but i still some puzzled. i think when set nspden=nsppol=1, that means non spin-magnetisation calculation, i thought this for paramagnetism state calculation, is this right or i have a wrong understanding? hoping your explanation. best regards! > Date: Thu, 1 Oct 2009 14:59:54 -0300 > From: jzwanzig@gmail.com > To: forum@abinit.org > Subject: Re: {Spam?} [abinit-forum] how to build cell for diamagnetic material? > > I think you could just turn off the possibility of having magnetic > order, that is, set nspden=nsppol=1. Then you are forcing the system > to be diamagnetic. > > > Professor of Chemistry > Canada Research Chair in NMR Studies of Materials > Director, Nuclear Magnetic Resonance Research Resource (NMR-3) > Dalhousie University > Halifax, NS B3H 4J3 Canada > tel: +1 (902) 494-1960 > fax: +1 (902) 494-1867 > web: http://jwz.chem.dal.ca > jzwanzig@gmail.com, jzwanzig@dal.ca > > > > 2009/10/1 晨halo <ares.du@live.cn>: > > > > ________________________________ > > dear abinit users, > > > > i found in some papers, they always say "To examine the stability of the > > local magnetic state, we calculate the energy difference between the > > diamagnetic(DM) antiferromagnetic (AFM) and ferromagnetic(FM) states." > > i know that in the case of FM, I need to do only spin-polarized calculation > > with start magntic moment, while for AF, I should define 2 different atoms > > having opposite spin by assigning + and - magnetic moments. is this right? > > but i really donot know how to set up a cell for the diamagnetic material, > > and how to set the start magnetic moment? > > thank you! > > > > best regards! > > > > > > > > > > > > ________________________________ > > 更多热辣资讯尽在新版MSN首页! 立刻访问! 把MSN装进手机,更多聊天乐趣等你挖掘! 立刻下载! |
- [abinit-forum] Compilation Problems bigdft-1.3.0, marco mancini, 10/01/2009
- Re: [abinit-forum] Compilation Problems bigdft-1.3.0, Damien Caliste, 10/01/2009
- {Spam?} [abinit-forum] how to build cell for diamagnetic material?, 晨halo, 10/01/2009
- Re: {Spam?} [abinit-forum] how to build cell for diamagnetic material?, Josef Zwanziger, 10/01/2009
- {Spam?} RE: {Spam?} [abinit-forum] how to build cell for diamagnetic material?, 晨halo, 10/01/2009
- Re: {Spam?} RE: {Spam?} [abinit-forum] how to build cell for diamagnetic material?, Emmanuel Arras, 10/01/2009
- {Spam?} RE: {Spam?} [abinit-forum] how to build cell for diamagnetic material?, 晨halo, 10/01/2009
- Re: {Spam?} [abinit-forum] how to build cell for diamagnetic material?, Josef Zwanziger, 10/01/2009
- [abinit-forum] Re: Compilation Problems bigdft-1.3.0, marco mancini, 10/02/2009
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