Enhancements of high order cumulants across the 1st order phase transition boundary

被引：8
作者：
Jiang, Lijia [1 ,2 ,3 ]
Wu, Shanjin [2 ,3 ]
Song, Huichao [2 ,3 ,4 ,5 ]
机构：
[1] Frankfurt Inst Adv Studies, Ruth Moufang Str 1, D-60438 Frankfurt, Germany
[2] Peking Univ, Dept Phys, Beijing 100871, Peoples R China
[3] Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China
[4] Collaborat Innovat Ctr Quantum Matter, Beijing 100871, Peoples R China
[5] Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China
来源：
17TH INTERNATIONAL CONFERENCE ON STRANGENESS IN QUARK MATTER (SQM 2017) | 2018年 / 171卷
关键词：
FLUCTUATIONS;
D O I：
10.1051/epjconf/201817116003
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
In this proceeding, we investigate the dynamical evolution of the sigma field with a trajectory across the 1st order phase transition boundary, using the Langevin equation from the linear sigma model. We find the high order cumulants of the sigma field are largely enhanced during the dynamical evolution, compared with the equilibrium values, due to the supercooling effect of the first order phase transition.
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页数：4
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