标题： 磁场诱导的强子碰撞前平衡阶段各向异性胶子压强的影响：更快的各向同化道路 显示英文标题

标题： Influence of magnetic field-induced anisotropic gluon pressure during pre-equilibrium in heavy-ion collisions: A faster road towards isotropization

摘要： 在外部高能重离子碰撞中可以产生高强度的磁场。尽管其强度迅速下降，并且尚不清楚这些磁场是否足以在夸克-胶子等离子体阶段诱导磁化，但大多数模型和模拟预测了显著的强度，这种强度可持续到反应开始后的约1 fm的固有时，这是流体力学阶段开始的典型时间。这一时间段被称为平衡前阶段。因此，在平衡前阶段的反应演化很可能受到这些磁场的影响。在本工作中，我们采用强场近似来研究由磁场引起的各向异性对胶子压力的影响。我们将这种各向异性包含在通过有效动力学理论获得的描述中，并探讨其后果以达到约1 fm固有时的各向同性。我们表明，当包括磁场效应时，各向同性可以更快实现。 显示英文摘要

摘要： Magnetic fields of a large intensity can be generated in peripheral high-energy heavy-ion collisions. Although their intensity drops fast and, moreover, it is not clear whether these fields last long enough to induce a magnetization during the quark-gluon plasma phase, most of the models and simulations predict a significant intensity that lasts up to proper times of order 1 fm after the beginning of the reaction, which is a typical time for the hydrodynamical phase to start. This interval of time is referred to as the pre-equilibrium stage. The evolution of the reaction during pre-equilibrium is thus likely to be influenced by these fields. In this work we adopt a strong field approximation to study the effects of the magnetic field-induced anisotropy on the gluon pressure. We include this anisotropy within the description obtained by means of Effective Kinetic Theory and explore the consequences to reach isotropization at proper times of order 1 fm. We show that when including the magnetic field effects, isotropization is achieved faster.