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mazuju028(½ð±Ò+1): лл½»Á÷ 2011-03-20 10:20:03
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Originally posted by Сľ³æÓÚ at 2011-03-13 21:45:39:
ºÜÃ÷ÏԵģ¨ÎÒÊÇÒÔsiΪÀý×Ó¼ÆËãµÄ£¬Ã»ÓÐ×ÔÐý¼«»¯£©£¬×ÔÇ¢¼ÆËã³öÀ´µÄµçºÉÃܶÈÔÚijЩ¸ñµãÉϾ¹È»ÊǸºÖµ¡£¶øÔÚÓÃband decomposed chargedensity¼ÆËã³öÀ´µÄµçºÉÃܶÈÖУ¬Ã»ÓиºÖµ£¬ÇÒÔÚ¾²Ì¬¼ÆËãÖжÔÓ¦µÄ¸ºÖµÎ»Ö㬴Ëʱ ...

If you are using the PAW method (pseudo-potentials), the scf chgcar may have negative charge density at the centres of some atoms; this is because the PAW method add some (positive or negative) charge in the core area.

And this has large probability happens to heavy elements, like In, Bi, but not O, N, blabla...
7Â¥2011-03-20 05:25:55
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zzy870720z(½ð±Ò+1): ¹ÄÀøÌÖÂÛ 2011-03-14 08:15:40
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Originally posted by cenwanglai at 2011-03-13 21:03:47:
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ºÜÃ÷ÏԵģ¨ÎÒÊÇÒÔsiΪÀý×Ó¼ÆËãµÄ£¬Ã»ÓÐ×ÔÐý¼«»¯£©£¬×ÔÇ¢¼ÆËã³öÀ´µÄµçºÉÃܶÈÔÚijЩ¸ñµãÉϾ¹È»ÊǸºÖµ¡£¶øÔÚÓÃband decomposed chargedensity¼ÆËã³öÀ´µÄµçºÉÃܶÈÖУ¬Ã»ÓиºÖµ£¬ÇÒÔÚ¾²Ì¬¼ÆËãÖжÔÓ¦µÄ¸ºÖµÎ»Ö㬴Ëʱ¶¼ÊÇÌØ±ð´óµÄÕýÖµ¡£
3Â¥2011-03-13 21:45:39
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