Maximum Entropy Freeze-Out of Hydrodynamic Fluctuations

被引：8
|
作者：
Pradeep, Maneesha Sushama [1 ]
Stephanov, Mikhail [1 ]
机构：
[1] Univ Illinois, Dept Phys, Chicago, IL 60607 USA
来源：
PHYSICAL REVIEW LETTERS | 2023年 / 130卷 / 16期
关键词：
ENERGY;
D O I：
10.1103/PhysRevLett.130.162301
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We propose a general approach to freezing out fluctuations in heavy-ion collisions using the principle of maximum entropy. We find the results naturally expressed as a direct relationship between the irreducible relative correlators quantifying the deviations of hydrodynamic as well as hadron gas fluctuations from the ideal hadron gas baseline. The method also allows us to determine heretofore unknown parameters crucial for the freeze-out of fluctuations near the QCD critical point in terms of the QCD equation of state.
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页数：7
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