[Pw_forum] ab initio vs. first principles.

[Hongsheng Zhao]

Hi all,

Some times we say ab initio, sometimes first principles.  Actually,
I find in many case people use them to explain one another.  But the fact may be not the case, who can give some hints on the differences between ab initio and first principles? 

Regards,
-- 
Hongsheng Zhao <zhaohscas at yahoo.com.cn> 
Xinjiang Technical Institute of Physics and Chemistry
Chinese Academy of Sciences 
GnuPG DSA: 0xD108493
2008-12-21

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