Weak universality of spin-glass transitions in three-dimensional ±J models

Weak universality of spin-glass transitions in three-dimensional ±J models
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三维±J模型中自旋玻璃转变的弱普遍性

DOI:
10.1088/0305-4470/36/43/015
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发表时间:
2003
期刊:
Journal of Physics A
影响因子:
--
通讯作者:
T. Yamamoto
T. Yamamoto
中科院分区:
--
文献类型:
--
作者:
Tota Nakamura;S. Endoh;T. Yamamoto

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我们发现在三维±J模型中自旋玻璃相变具有弱普适性的可能性。伊辛、XY和海森堡模型似乎经历临界指数比γ/ν ~ 2.4的有限温度相变。评价的临界指数可以解释相应的实验结果。分析是基于从顺磁状态和有限时间标度的非平衡弛豫。
We find the possibility of weak universality of spin-glass phase transitions in three-dimensional ±J models. The Ising, the XY and the Heisenberg models seem to undergo finite-temperature phase transitions with a ratio of the critical exponents γ/ν ~ 2.4. Evaluated critical exponents may explain the corresponding experimental results. The analyses are based upon nonequilibrium relaxation from a paramagnetic state and finite-time scaling.
Kosterlitz-Thouless 相变的非平衡弛豫分析
DOI: --
发表时间: 2003
期刊: Phys.Rev.E 67
影响因子: --
作者:
Hiroshi Watanabe;Satoshi Yukawa;Yukiyasu Ozeki;Nobuyasu Ito;Hiroshi Watanabe;Yukiyasu Ozeki
通讯作者: Yukiyasu Ozeki