释义 |
DictionarySeequadrupolequadrupole moment
quadrupole moment[′kwä·drə‚pōl ‚mō·mənt] (electromagnetism) A quantity characterizing a distribution of charge or magnetization; it is given by integrating the product of the charge density or divergence of magnetization density, the second power of the distance from the origin, and a spherical harmonic Y*2 m over the charge or magnetization distribution. |