Temperature-dependent logarithmic corrections in the spin-1/2 Heisenberg chain
classification
❄️ cond-mat.str-el
cond-mat.stat-mech
keywords
chaincorrectionsheisenberglogarithmicspin-1antiferromagneticcompareddynamic
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We obtain the logarithmic corrections to the dynamic response function and NMR T_1 and T_{2G} rates in the spin-1/2 antiferromagnetic Heisenberg chain using perturbative renormalization group in the leading irrelevant operator. The result is compared with NMR experiments in Sr_2CuO_3.
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