Permutation-Loewner entropy analysis for 2-dimensional Ising system interface

Permutation-Loewner entropy analysis for 2-dimensional Ising system interface
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二维 Ising 系统接口的排列-Loewner 熵分析

DOI:
10.1016/j.physa.2022.126943
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发表时间:
2022
期刊:
Physica A: Statistical Mechanics and its Applications
影响因子:
--
通讯作者:
Shibasaki Yusuke
Shibasaki Yusuke
中科院分区:
--
文献类型:
--
作者:
佐々木 晴香;水田健太郎;Shibasaki Yusuke

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二维(2D) Ising系统界面的结构已经在各种理论统计物理研究中进行了研究。虽然系统的界面几何形状和物理性质之间的关系已经被指出,但在本研究中,我们考虑了它们的替代表达式,使用弦Loewner演化和排列熵方法。在排列熵法的理论方案中,通过考察其模式频率、熵和与白噪声的距离,数值计算并分析了临界温度T c下和临界温度T c下的伊辛界面对应的洛厄纳驱动力。利用这种排列-Loewner熵(PLE)方法,我们发现了PLE与Ising系统平均能量之间的指数函数型关系,为Loewner演化理论与二维统计力学系统之间提供了联系。
The structure of the 2-dimensional (2D) Ising system interface has been investigated in various theoretical statistical physics studies. Although the relationships between the interface geometry and physical properties of the system have already been indicated, in this study, we consider their alternative expressions using the chordal Loewner evolution and permutation entropy method. The Loewner driving forces corresponding to the Ising interfaces for below and at the critical temperature T c were numerically calculated and analyzed by examining their pattern frequency, entropy, and distance to white noise in the theoretical scheme of the permutation entropy method. Using this permutation-Loewner entropy (PLE) method, we found an exponential function-type relation between the PLE and mean energy of the Ising system, which provides a connection between the theory of Loewner evolution and 2D statistical mechanical systems.
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