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24-04E

24-04E


By Velychko - Posted on 05 December 2024

UDC: 
537.9, 537.622
PACS: 
75.10.-b

Preliminaries on thermodynamics of the spin-S Heisenberg antiferromagnet on the kagome lattice

T. Hutak
J. Richter
T. Krokhmalskii
O. Derzhko

We use high-temperature expansion series up to order 11 in the inverse temperature β = 1/T and the entropy method to calculate the magnetic specific heat c(T) and the magnetic uniform susceptibility χ(T) for the kagome-lattice Heisenberg antiferromagnet with spin S > 1/2. We complement these calculations by exact diagonalization and finite-temperature Lanczos method data for finite systems. We discuss how the temperature dependence of the specific heat varies as the spin quantum number S grows.

Year: 
2024
Pages: 
25
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