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Finite-size behaviour of generalized susceptibilities in the whole phase plane of the Potts model

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成果类型:
期刊论文
作者:
Pan, Xue*;Zhang, Yanhua;Chen, Lizhu;Xu, Mingmei;Wu, Yuanfang
通讯作者:
Pan, Xue
作者机构:
[Pan, Xue] Chengdu Technol Univ, Sch Elect Engn, Chengdu 611730, Sichuan, Peoples R China.
[Zhang, Yanhua; Wu, Yuanfang; Xu, Mingmei; Pan, Xue] Cent China Normal Univ, Key Lab Quark & Lepton Phys MOE, Wuhan 430079, Hubei, Peoples R China.
[Zhang, Yanhua; Wu, Yuanfang; Xu, Mingmei; Pan, Xue] Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Hubei, Peoples R China.
[Chen, Lizhu] Nanjing Univ Informat Sci & Technol, Sch Phys & Optoelect Engn, Nanjing 210044, Jiangsu, Peoples R China.
通讯机构:
[Pan, Xue] C
Chengdu Technol Univ, Sch Elect Engn, Chengdu 611730, Sichuan, Peoples R China.
Cent China Normal Univ, Key Lab Quark & Lepton Phys MOE, Wuhan 430079, Hubei, Peoples R China.
Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Hubei, Peoples R China.
语种:
英文
关键词:
POTTS;Potts model;critical point;generalized susceptibilities
关键词(中文):
有限尺寸;危险性;行为;模型;飞机;温度依赖;三状态
期刊:
中国物理C
ISSN:
1674-1137
年:
2018
卷:
42
期:
2
页码:
106-111
基金类别:
Received 29 September 2017, Revised 3 December 2017, Published online 18 January 2018 ∗ Supported by Fund Project of National Natural Science Foundation of China (11647093, 11405088, 11521064), Fund Project of Sichuan Provincial Department of Education (16ZB0339), Fund Project of Chengdu Technological University (2016RC004) and the Major State Basic Research Development Program of China (2014CB845402) 1) E-mail: panxue1624@163.com ©2018 Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Sciences and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd
机构署名:
本校为通讯机构
院系归属:
物理科学与技术学院
摘要:
We study the sign distribution of generalized magnetic susceptibilities in the temperature-external magnetic field plane using the three-dimensional three-state Potts model. We find that the sign of odd-order susceptibility is opposite in the symmetric (disorder) and broken (order) phases, but that of the even-order one remains positive when it is far away from the phase boundary. When the critical point is approached from the crossover side, negative fourth-order magnetic susceptibility is observable. It is also demonstrated that non-monotonic...

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