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Çë¿´Ò»ÏÂÏÂÃæËùÁÐÊý¾Ý "ionic dipole moment: p" ÖеÄZ µÄÖµ£¬Ó¦±ä´Ó0.0µ½±ä»¯0.01µ½0.015µÄ¹ý³ÌÖУ¬Õâ¸öZÖµ´Ó  -112.50058±ä»¯µ½94.108µ½94.4635¡£´Ó¸ºµ½±äΪÕýֵ˵Ã÷ÁËʲô£¿

(¼«»¯Á¿×ÓeR/VԼΪ£º180  uc/cm^2)

Íâ¼ÓÓ¦±äΪ0.0£¬   IGPAR =1
Total electronic dipole moment: p[elc]=(     0.59507     0.00108     0.91961 )
  ionic dipole moment: p[ion]=(     0.00000     0.00000  -112.50058 ) e*Angst

IGPAR =2
Total electronic dipole moment: p[elc]=(    -0.29660     0.51589     0.91961 )
ionic dipole moment: p[ion]=(     0.00000     0.00000  -112.50058 ) e*Angst

IGPAR =3
Total electronic dipole moment: p[elc]=(    -0.29660    -0.51589     0.91961 )
ionic dipole moment: p[ion]=(     0.00000     0.00000  -112.50058 ) e*Angst


Íâ¼ÓÓ¦±äΪ0.01£¬   IGPAR =1
  Total electronic dipole moment: p[elc]=(     0.64514     0.00079     1.00435 )
ionic dipole moment: p[ion]=(     0.00000     0.00000    94.10800 ) e*Angst

IGPAR =2
Total electronic dipole moment: p[elc]=(    -0.32189     0.55910     1.00435 )
ionic dipole moment: p[ion]=(     0.00000     0.00000    94.10800 ) e*Angst

IGPAR =3
Total electronic dipole moment: p[elc]=(    -0.32189    -0.55910     1.00435 )
ionic dipole moment: p[ion]=(     0.00000     0.00000    94.10800 ) e*Angst


Íâ¼ÓÓ¦±äΪ0.015£¬   IGPAR =1
Total electronic dipole moment: p[elc]=(     0.65196     0.00066     1.01989 )
ionic dipole moment: p[ion]=(     0.00000     0.00000    94.46350 ) e*Angst
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zzy870720z(½ð±Ò+2): ллָµã 2011-10-04 10:39:36
Ò»¸öÖÜÆÚÄÚÊÇÓÉÓÚBerry PhaseµÄÖÜÆÚÐÔ¾ö¶¨µÄ£¬¼û²Î¿¼ÎÄÏ×R. D. King-Smith and D. Vanderbilt, Phys. Rev. B 47, 1651 (1993).
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