quadrupole

See also: quadrupôle

English

Noun

quadrupole (plural quadrupoles)

1. (physics) A distribution of either electric charge or magnetization equivalent to two dipoles that point in opposite directions.
   • 1975, David M. Cook, The Theory of the Electromagnetic Field, page 123,

     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. (physics) A magnet with two north poles and two south poles, used to focus a beam of particles.

Related terms

• quadrupolar
• octupole

Translations

a distribution of either electric charge or magnetization equivalent to two dipoles that point in opposite directions

• Russian: квадрупо́ль (ru) m (kvadrupólʹ)
• (deprecated template usage) {{trans-mid}}

a magnet with two north poles and two south poles

• (deprecated template usage) {{trans-mid}}

• Italian: ^{(please verify)} quadrupolo m (all)
• (deprecated template usage) {{trans-mid}}
• Portuguese: ^{(please verify)} quadrupolo m

See also

• quadripole