Exchange Enhancement of Nuclear Spin-Lattice Relaxation in Antiferromagnets
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Physics
Quantum Physics
Quantum Physics
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The nuclear spin-lattice relaxation rate in an antiferromagnetic insulator at low temperature is calculated to lowest order in 1/z. The effects of anisotropy are included but correctly vanish for spin ½. Instead of a divergence in the limit of zero anisotropy as found by Beeman and Pincus, we obtain results similar to those for a ferromagnet.
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1969-07-10
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Physical Review