Pseudopotential generation

Different classes of first-principle pseudopotentials are compared and various schemes for pseudo-potential generation based on norm conservation are discussed in this paper.BHS(Bachelet,Hamann,and Schlueter)-scheme and V(Vanderbilt)-modifications are used to derive the KB(Kleinman and Bylander).pse...

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Veröffentlicht in:Journal of Zhejiang University. A. Science 2003-03, Vol.4 (2), p.207-213
1. Verfasser: 曹义刚 焦正宽 冯尚申
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Sprache:eng
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Zusammenfassung:Different classes of first-principle pseudopotentials are compared and various schemes for pseudo-potential generation based on norm conservation are discussed in this paper.BHS(Bachelet,Hamann,and Schlueter)-scheme and V(Vanderbilt)-modifications are used to derive the KB(Kleinman and Bylander).pseudopotentials and pseudo wave functions of bismuth.Quality test of pseudopotemtials shows tha no ghost states occur in the logarithmic deriuatives of pseudo wave functions of Bismuth,The obtained bond length of bismuth dimer with this type of pseudopotentials is in good agreement with previous accurately calculated ab initio quantum chemical result.
ISSN:1009-3095
1673-565X
1862-1775
DOI:10.1631/jzus.2003.0207