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Updated: Jul 11, 2026

Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks
Published on: June 9, 2023
Universal temperature dependence of the magnetization of gapped spin chains
Yoshitaka Maeda1, Chisa Hotta, Masaki Oshikawa
1Department of Physics and Astronomy, The University of British Columbia, Vancouver, British Columbia, V6T 1Z1 Canada.
Abstract:
A Haldane chain under applied field is analyzed numerically, and a clear minimum of magnetization is observed as a function of temperature. We elucidate its origin using the effective theory near the critical field and propose a simple method to estimate the gap from the magnetization at finite temperatures. We also demonstrate that there exists a relation between the temperature dependence of the magnetization and the field dependence of the spin-wave velocity. Our arguments are universal for general axially symmetric one-dimensional spin systems.
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