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

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.

References in corpus (5)

• Low energy effective Hamiltonian for the XXZ spin chain
• The spin-1/2 Heisenberg chain: thermodynamics, quantum criticality and spin-Peierls exponents
• Exact Correlation Amplitude for the S=1/2 Heisenberg Antiferromagnetic Chain
• Nuclear relaxation in the spin-1/2 antiferromagnetic chain compound Sr_2CuO_3 --- comparison between theories and experiments
• Finite-size scaling for the S=1/2 Heisenberg Antiferromagnetic Chain

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• $x$-[Pd(dmit)${}_2$]${}_2$ as a quasi-1D, scalene Heisenberg model
• Correlation function for the one-dimensional extended Hubbard model at quarter filling
• Quantum magnetism on small-world networks
• Numerical study of the temperature dependence of the NMR relaxation rate across the superfluid-Bose glass transition in one dimension