Abstract
High-temperature expansion methods have recently been used to predict the form of the divergence of the zero-field static susceptibility χ at the critical temperature Tc. These studies have suggested that χ∼A (T−Tc)−γ, with γ=43 independent of both lattice structure and spin quantum number S. Here we argue that the proposal γ=43 for all S is unjustified; we find a slow but nevertheless clear variation of γ with S. We further point out that there exists at least one physically interesting lattice—a normal cubic spinel with nearest-neighbor ferromagnetic B—B interactions—for which the theoretical evidence indicates that if the power-law form of divergence is correct, γ may differ from43 by as much as 50%.
References
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Dates
Type | When |
---|---|
Created | 20 years, 7 months ago (Jan. 15, 2005, 10:15 a.m.) |
Deposited | 1 year, 7 months ago (Feb. 2, 2024, 5:34 a.m.) |
Indexed | 1 year, 6 months ago (Feb. 9, 2024, 7:40 a.m.) |
Issued | 58 years, 6 months ago (March 1, 1967) |
Published | 58 years, 6 months ago (March 1, 1967) |
Published Print | 58 years, 6 months ago (March 1, 1967) |
@article{Stanley_1967, title={Dependence of Critical Properties of Heisenberg Magnets upon Spin and Lattice}, volume={38}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.1709709}, DOI={10.1063/1.1709709}, number={3}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Stanley, H. E. and Kaplan, T. A.}, year={1967}, month=mar, pages={977–979} }