Magnetic multipole moments |
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| Authors: | RE Raab |
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| Institution: | 1. Department of Theoretical Chemistry , University Chemical Laboratory , Lensfield Road, Cambridge, CB2 1EW;2. Physics Department , University of Natal , Pietermaritzburg, South Africa |
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| Abstract: | Literature definitions of magnetic multipole moment operators are shown to be at variance, and new definitions are formulated which are consistent with a general multipole interaction hamiltonian and with the radiation field of a dynamic charge distribution. The applicability of traceless multipole moments is examined. The multipole hamiltonian is used to derive expressions for some magnetic quadrupole distortion tensors. For those describing the quadrupole moment induced by a magnetic field and by a field gradient the number of independent components for various molecular symmetries is evaluated. |
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