Perturbed angular distributions in the presence of isotropic paramagnetic relaxation
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The effect of paramagnetic relaxation on perturbed angular distributions is treated for nuclei interacting with their electronic shells via isotropic hyperfine interaction. The conditions are given under which Blume's analytical stochastic-model result for the nuclear perturbation factorsG k (t) can be derived quantum mechanically. Systems with arbitrary nuclear spin, but electronic spinS=1/2 may be calculated without resorting to the assumption necessary forS>1/2. Explicit closed expressions forG k (t) can be found for this particular case.
KeywordsThin Film Angular Distribution Electronic spinS Hyperfine Interaction Nuclear Spin
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