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首页> 外文期刊>Journal of Physics, A. Mathematical and General: A Europhysics Journal >Scaling and persistence in the two-dimensional Ising model
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Scaling and persistence in the two-dimensional Ising model

机译:二维Ising模型中的缩放和持久性

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摘要

The spatial distribution of persistent spins at zero temperature in the pure two-dimensional Ising model is investigated numerically. A persistence correlation length, xi (t) similar to t(Z), is identified such that for length scales r xi (t) the persistent spins form a fractal with dimension d(f); for length scales r xi (t) the distribution of persistent spins is homogeneous. The zero-temperature persistence exponent, theta, is found to satisfy the scaling relation theta = Z(2 - d(f)) with theta = 0.209 +/- 0.002 of Jain (Jain S 1999 Phys. Rev. E 59 R2493), Z = 1/2 and d(f) similar to 1.58. [References: 12]
机译:数值研究了纯二维伊辛模型在零温度下持续自旋的空间分布。确定类似于t(Z)的持续相关长度xi(t),以便对于长度尺度r xi(t),持续自旋形成维数为d(f)的分形;对于长度尺度r xi(t),持续自旋的分布是均匀的。发现零温度持久性指数theta满足标度关系theta = Z(2- d(f)),Jain的theta = 0.209 +/- 0.002(Jain S 1999 Phys.Rev.E 59 R2493), Z = 1/2,d(f)类似于1.58。 [参考:12]

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