Abstract
We present a simple method to obtain reliable ground-state entropies of Ising antiferromagnets in a maximum critical field. As an example, the ground-state entropy for the square lattice is established for allS. Both the case of the first-, and of the second-neighbour interactions are considered.
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Hajduković, D., Savić, I.M. & Damjanović, L. Ground-state entropy of Ising antiferromagnets with general spinS . Z. Physik B - Condensed Matter 57, 221–223 (1984). https://doi.org/10.1007/BF01318414
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DOI: https://doi.org/10.1007/BF01318414