Comment on "Anomalous Thermal Conductivity of Frustrated Heisenberg Spin Chains and Ladders"

Abstract

In a recent letter [Phys. Rev. Lett. 89, 156603 (2002); cond-mat/0201300], Alvarez and Gros have numerically analyzed the Drude weight for thermal transport in spin ladders and frustrated chains of up to 14 sites and have proposed that it remains finite in the thermodynamic limit. In this comment, we argue that this conclusion cannot be sustained if the finite-size analysis is taken to larger system sizes.

arXiv commentOne page REVTeX4, 1 figure. Published version (minor changes)

References in corpus (3)

• Magnon Heat Transport in (Sr,La)_14Cu_24O_41
• Thermal conductivity of anisotropic and frustrated spin-1/2 chains
• Anomalous thermal conductivity of frustrated Heisenberg spin-chains and ladders

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