Subject: how many k points needed.

From: ��Ѹ�� <[email-masked]>
Date: Tue, 4 Mar 2003 16:4:39 +0800

Dear CCls：

　　　　     When I do calclulations with VASP ,or PWscf, I don't know 
	how many k points needed.
	
	crystal lattice : a,b,c(angstrom), and k point number ka,kb,kc.
	I think a*ka around 20~30 is ok. 

    Thank you for your help!　　　　　　　　
 				
　　　　　　　　　　　　　　Ding Xunlei
　　　　　　　　　　　　　　2003-03-04
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