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多谢
我用 ExternalElectricField来设置外场,查手册 SlabDipoleCorrection Default value: false,也就是说偶极矩修正没有设置为TRUE, 没有修正,应该不是这个原因。
结果中有这个
efield: WARNING: Non zero bulk electric field.
efield: Input field (Ry/Bohr/e) = 0.000000 0.000000 -0.007779
efield: Orthogonalized field = 0.000000 0.000000 0.000000
查手册
ExternalElectricField (data block): It species an external electric field for molecules, chains
and slabs. The electric field should be orthogonal to `bulk directions', like those parallel
to a slab (bulk electric fields, like in dielectrics or ferroelectrics, are not allowed). If it
is not, an error message is issued and the components of the field in bulk directions are
suppressed automatically. The input is a vector in Cartesian coordinates, in the specied
units. Example:
%block ExternalElectricField
0.000 0.000 0.500 V/Ang
%endblock ExternalElectricField
Default value: zero field
不知道bulk directions 是什么意思,可能问题出在这里,
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