Abstract

Measurements of proton spin-lattice relaxation rate in (CH) 4NMnCl 4 (TMMC) in the temperature range (1.2–4.2 K) and for different magnetic fields (0.085-2 T) for both H ∥ c and H ⊥ c are presented and compared with theoretical calculations based on Villain theory for damped paramagnons in 1D magnets. The implication of the disagreement found between theory and experiment is briefly discussed.

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