论文标题

通过复杂的langevin方法的QCD状态方程

QCD equation of state via the complex Langevin method

论文作者

Attanasio, Felipe, Jäger, Benjamin, Ziegler, Felix P. G.

论文摘要

我们在量子染色体动力学(QCD)的相图上介绍了晶格模拟,并在有限的化学势$μ$上具有两个浅夸克风味。为了避免符号问题,我们使用了复杂的langevin方法。在这项研究中,我们对$ \ sim 480 $ MEV进行了有限密度晶格计算。我们报告了Ab-Initio晶格QCD计算中状态的压力,能量和熵方程,以及对银燃烧现象的观察。

We present lattice simulations on the phase diagram of Quantum Chromodynamics (QCD) with two light quark flavours at finite chemical potential $μ$. To circumvent the sign problem we use the complex Langevin method. In this study, we have carried out finite density lattice computations for a pion mass of $\sim 480$ MeV. We report on the pressure, energy and entropy equations of state in ab-initio lattice QCD calculations, as well as the observation of the Silver Blaze phenomenon.

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