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Critical exponents for NMR and ESR linewidths in a two-dimensional antiferromagnet |
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| Authors: | Peter M. Richards |
| Affiliation: | Sandia Laboratories, Albuqerque, New Mexico 87115, U.S.A. |
| Abstract: | The exponent p in ΔH ∝ (T/TN?1)-p is derived both for NMR and ESR linewidths ΔH in a two-dimensional antiferromagnet. The approach is based on Kawasaki's dynamical equations. Comparison is made with experiments on K2NiF4 and K2MnF4. |
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