具有临界点的QCD物质的晶格态方程

Proceedings of Corfu Summer Institute 2018 "School and Workshops on Elementary Particle Physics and Gravity" — PoS(CORFU2018) Pub Date : 2019-09-19 DOI:10.22323/1.347.0161

C. Ratti

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引用次数: 1

摘要

我们建立了QCD的状态方程(EoS)族，它们与晶格QCD的结果匹配度高达O(μ4 B)，并且在三维Ising模型通用性类中包含一个临界点。我们将临界点置于相对论重离子对撞机(RHIC)第二次束流能量扫描(BESII)所覆盖的化学势范围内。我们展示了临界点对几个热力学观测值的影响，并讨论了将Ising模型相图映射到QCD相图所产生的参数的可能约束。

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Lattice-based Equation of State of QCD matter with a critical point

We build a family of Equations of State (EoS) for QCD, which match the lattice QCD results up to O(μ4 B), and contain a critical point in the 3D Ising model universality class. We place the critical point in the chemical potential range covered by the second Beam Energy Scan (BESII) at the Relativistic Heavy Ion Collider (RHIC). We show the effect of the critical point on several thermodynamic observables and discuss possible constraints on the parameters, which arise from mapping the Ising model phase diagram onto the QCD one.

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Proceedings of Corfu Summer Institute 2018 "School and Workshops on Elementary Particle Physics and Gravity" — PoS(CORFU2018)

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