Temperature-dependent logarithmic corrections in the spin-1/2 Heisenberg chain
Victor Barzykin
Abstract
We obtain the logarithmic corrections to the dynamic response function and NMR T1 and T2G 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 Sr2CuO3.
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