论文标题
从爱因斯坦到Horndeski：修饰重力的全息传输系数
From Einstein to Horndeski: Holographic Transport Coefficients in Modified Gravity
论文作者
论文摘要
本文使用Horndeski Gravity中的ADS/BCFT对应关系研究了强耦合热等离子体中散装和剪切粘度比的全息计算。我们证明，该框架会导致低温下的非零粘度与入口比（$ζ/s $和$η/s $），这表明保形对称性中断。在高温下，这些比率接近零，从而恢复了夸克 - 杜伦等离子体的预期保形行为。我们的发现提供了有关强耦合等离子体的流体动力特性的新见解，并在全息模型中对QCD样理论提供了更细微的理解。
This paper examines the holographic computation of bulk and shear viscosity ratios in strongly coupled thermal plasmas using the AdS/BCFT correspondence within Horndeski gravity. We demonstrate that this framework leads to non-zero viscosity-to-entropy ratios ($ζ/S$ and $η/S$) at low temperatures, indicating a break in conformal symmetry. At high temperatures, these ratios approach zero, recovering the expected conformal behavior of quark-gluon plasma. Our findings provide new insights into the hydrodynamic properties of strongly coupled plasmas and offer a more nuanced understanding of QCD-like theories in holographic models.
