The Ising magnetization exponent is 1/15

The Ising magnetization exponent is 1/15
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Ising 磁化强度指数为 1/15

DOI:
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发表时间:
2012
期刊:
arXiv: Probability
影响因子:
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通讯作者:
C. Newman
C. Newman
中科院分区:
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文献类型:
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作者:
F. Camia;C. Garban;C. Newman

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在本文中,我们证明对于在 $\beta=\beta_c$ 平面 $\Z^2$ 上定义的 Ising 模型,外部磁场 $h>0$ 下的平均磁化强度与 $<{\sigma_0}_{\beta_c, h} \asymp h^{1/15}.$ 完全相同。$ 证明与渗流的类似结果相比非常简单(即三角晶格上的 $\theta(p)=(p-p_c)^{5/36+o(1)}$ 依赖于 GHS 不等式。
In this paper, we prove that for the Ising model defined on the plane $\Z^2$ at $\beta=\beta_c$, the average magnetization under an external magnetic field $h>0$ behaves exactly like $<{\sigma_0}_{\beta_c, h} \asymp h^{1/15}.$ The proof, which is surprisingly simple compared to an analogous result for percolation (i.e. that $\theta(p)=(p-p_c)^{5/36+o(1)}$ on the triangular lattice \cite{\SmirnovWerner,\KestenScaling}) relies on the GHS inequality.