Specific heat of the S=1/2 Heisenberg model on the kagome lattice:
high-temperature series expansion analysis
release_cr5zobixe5b65hvnxoolyvcn4a
by
Gregoire Misguich and Bernard Bernu (LPTL, Univ.
Paris 6)
2004
Abstract
We compute specific heat of the antiferromagnetic spin-1/2 Heisenberg model
on the kagome lattice. We use a recently introduced technique to analyze
high-temperature series expansion based on the knowledge of high-temperature
series expansions, the total entropy of the system and the low-temperature
expected behavior of the specific heat as well as the ground-state energy. In
the case of kagome-lattice antiferromagnet, this method predicts a
low-temperature peak at T/J<0.1.
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