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Flavor dependent critical endpoint from holographic QCD through machine learning

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成果类型:
期刊论文
作者:
Chen, Xun;Huang, Mei
通讯作者:
Chen, X
作者机构:
[Chen, Xun; Chen, X] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.
[Chen, Xun; Chen, X] Cent China Normal Univ, Key Lab Quark & Lepton Phys MOE, Wuhan 430079, Peoples R China.
[Huang, Mei] Univ Chinese Acad Sci, Sch Nucl Sci & Technol, Beijing 100049, Peoples R China.
通讯机构:
[Chen, X ] U
Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.
Cent China Normal Univ, Key Lab Quark & Lepton Phys MOE, Wuhan 430079, Peoples R China.
语种:
英文
关键词:
Gauge-Gravity Correspondence;Phase Diagram or Equation of State;Quark-Gluon Plasma
期刊:
Journal of High Energy Physics
ISSN:
1029-8479
年:
2025
卷:
2025
期:
2
页码:
1-27
基金类别:
National Natural Science Foundation of China (NSFC) [12405154, 12235016, 12221005]; Strategic Priority Research Program of Chinese Academy of Sciences [XDB34030000]; Fundamental Research Funds for the Central Universities; Open Fund for Key Laboratories of the Ministry of Education [QLPL2024P01]
机构署名:
本校为第一且通讯机构
院系归属:
核科学技术学院
摘要:
QCD phase diagram in the T - mu plane and the equation of state for pure gluon, 2-flavor, 2+1-flavor systems, and 2+1+1-flavor systems have been investigated using the Einstein-Maxwell-Dilaton (EMD) framework at finite temperature and chemical potential. By inputting lattice QCD data for the equation of state and baryon number susceptibility at zero chemical potential into holographic model, all the parameters can be determined with the aid of machine learning algorithms. Our findings indicate that the deconfinement phase transition is of first order for the pure gluon system with critical tem...

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