quadrupole moment


Also found in: Dictionary.
Related to quadrupole moment: Nuclear Quadrupole 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.
References in periodicals archive ?
2] and then calculated the transition quadrupole moment Q which is related to the ratio X of the major to minor axis.
The quadrupole moment contributed by the magnetic dipole formed by the gap is [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII].
Karlstrom, "Inclusion of the quadrupole moment when describing polarization.
As a bonus, the analysis yields the quadrupole moments, which offer the first order correction to the dipolar field.
The interaction of the atomic quadrupole moment with external electric-field gradients, for example those generated by the electrodes of an ion trap, is analogous to the interaction of a nuclear quadrupole moment with the electric field gradients due to the atomic electrons.
The quadrupole moment [theta]([gamma], J) of an atomic level \[gamma]J[greater than] is defined by the diagonal matrix element in the state with maximum [M.
27) and (30) is due to the fact that the quadrupole moment is due to a single hole in the otherwise filled 5d shell rather than to a single electron.
The calculated [equations 12, 13] electric quadrupole moment [Q.
2] -- -- Table 4: Table 4: The calculated electric quadrupole moment [Q.
The observation of a large quadrupole moments to [sup.