Finite temperature properties of the spin-1/2 Heisenberg antiferromagnet on the triangular lattice
- 6 September 1993
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 71 (10) , 1629-1632
- https://doi.org/10.1103/physrevlett.71.1629
Abstract
We have studied the spin-1/2 Heisenberg antiferromagnet on the triangular lattice by high temperature series expansions. From an analysis of the antiferromagnetic structure factor and correlation length, we deduce that the ground state has small but nonzero long range antiferromagnetic order. We also determine the temperature dependence of the uniform susceptibility and the specific heat.Keywords
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