quadrupole

Tanımlar (İngilizce)

1. isim A distribution of either electric charge or magnetization equivalent to two dipoles that point in opposite directions.

   “Consider a linear quadrupole consisting of a point charge of strength 2q at the origin and point charges of strength —q at (0, 0, a) and (0, 0, —a).”

2. isim A magnet with two north poles and two south poles, used to focus a beam of particles.