用扩展的自洽准粒子模型研究磁化夸克-胶子等离子体的热磁性质和德拜屏蔽
Thermomagnetic properties and Debye Screening for magnetized quark-gluon Plasma using the extended self-consistent quasiparticle model
摘要：
夸克-胶子等离子体的热磁行为近年来受到广泛关注。本文利用扩展的自洽准粒子模型研究了磁化（2+1）味夸克-胶子等离子体的热力学性质。该系统被认为是一个非相互作用的准粒子系统的质量取决于温度和磁场。这允许获得系统的状态方程和其他热力学性质，例如声速。我们用扩展的自洽模型得到了QGP的磁化强度，证明了QGP具有顺磁性质。此外，我们还研究了压力各向异性，并计算了横向压力。所得到的各向异性压力可用于重离子碰撞中产生的磁化QGP的流体力学研究。最后，我们通过计算德拜屏蔽质量来考察磁化QGP在纵向的屏蔽特性。
英文摘要：
The thermomagnetic behavior of quark-gluon plasma has recently received a lot of attention. In this work, we make use of the extended self-consistent quasiparticle model to study the thermodynamic properties of magnetized (2+1) flavor quark-gluon plasma. The system is considered as a non-interacting system of quasiparticles with masses depending on both temperature and magnetic field. This allows obtaining the equation of state of the system and the other thermodynamic properties such as the speed of sound. We use the extended self-consistent model to obtain the magnetization and show that QGP has a paramagnetic nature. In addition, we study the pressure anisotropy and calculate the transverse pressure. The obtained anisotropic pressure may be used in hydrodynamic studies of magnetized QGP produced in heavy-ion collisions. Finally, we examine the screening properties of magnetized QGP in the longitudinal direction by calculating the Debye screening mass.
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