2005/01/15 | 电四极矩[Electric Quadrupole Moment]
类别(Ω〖物理〗) | 评论(1) | 阅读(136) | 发表于 15:12
(1)

where , y, or z. From this definition, it follows that
(2)

and

(3)

Therefore
(4)

For a general charge distribution,
(5)

In the principal axis frame,
(6)

For cylindrical symmetry,
(7)

If , the ellipsoid determined by the principal axes is prolate, and if , it is oblate.
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