We show that the classical Heisenberg antiferromagnet on a Kagom\'e lattice is an example of a spin nematic. By calculating the effects of thermal fluctuations around ground states, and by Monte Carlo simulations, we find entropically driven, local spin-nematic order at low temperature T with a correlation length which is divergent in the limit T{→}0. Dynamical correlations are also studied, within the harmonic approximation, in the nematically ordered states.
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Chalker et al. (1992) studied this question.
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