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Towards low-temperature peculiarities of thermodynamic quantities for decorated spin chains

Author

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  • Krokhmalskii, Taras
  • Hutak, Taras
  • Rojas, Onofre
  • de Souza, Sergio Martins
  • Derzhko, Oleg

Abstract

We discuss the origin of an enigmatic low-temperature behavior of some one-dimensional decorated spin systems which was coined the pseudo-transition. Tracing out the decorated parts results in the standard Ising-chain model with temperature-dependent parameters and the unexpected low-temperature behavior of thermodynamic quantities and correlations of the decorated spin chains can be tracked down in the critical point of the standard Ising-chain model at H=0 and T=0. We illustrate this perspective using as examples the spin-1/2 Ising-XYZ diamond chain, the coupled spin-electron double-tetrahedral chain, and the spin-1/2 Ising–Heisenberg double-tetrahedral chain.

Suggested Citation

  • Krokhmalskii, Taras & Hutak, Taras & Rojas, Onofre & de Souza, Sergio Martins & Derzhko, Oleg, 2021. "Towards low-temperature peculiarities of thermodynamic quantities for decorated spin chains," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 573(C).
    • Handle: RePEc:eee:phsmap:v:573:y:2021:i:c:s0378437121002582
    DOI: 10.1016/j.physa.2021.125986
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    Cited by:

    1. Jozef Strečka & Katarína Karl’ová, 2024. "Pseudo-transition between antiferromagnetic and charge orders in a minimal spin-pseudospin model of one-dimensional cuprates," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 97(6), pages 1-8, June.

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