electric quadrupole


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electric quadrupole

[i¦lek·trik ′kwä·drə‚pōl]
(electricity)
A charge distribution that produces an electric field equivalent to that produced by two electric dipoles whose dipole moments have the same magnitude but point in opposite directions and which are separated from each other by a small distance.
References in periodicals archive ?
The electric quadrupole transition operator employed in this study is:
The reduced electric quadrupole transition rates between [I.
The electric quadrupole transition operator [16] employed in this study is given by:
Key words: atomic polarizabilities; electric quadrupole interaction; mercury ion; optical frequency standards; Stark shift; Zeeman shift.

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