Temperature-dependent logarithmic corrections in the spin-1/2 Heisenberg chain

Victor Barzykin

doi:10.1088/0953-8984/12/9/309

Temperature-dependent logarithmic corrections in the spin-1/2 Heisenberg chain

Strongly Correlated Electrons 2009-10-31 v1 Statistical Mechanics

Authors: Victor Barzykin

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Abstract

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.

Keywords

Heisenberg chain logarithmic corrections NMR relaxation renormalization group spin-1/2

Cite

@article{arxiv.cond-mat/9904250,
  title  = {Temperature-dependent logarithmic corrections in the spin-1/2 Heisenberg chain},
  author = {Victor Barzykin},
  journal= {arXiv preprint arXiv:cond-mat/9904250},
  year   = {2009}
}

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