论文标题
冲击波几何形状中的纠缠楔形横截面
Entanglement wedge cross-section in shock wave geometries
论文作者
论文摘要
我们考虑在热菲尔德双状态下反射的熵，该状态被重型操作员插入扰动。对于足够的早期操作员插入，双几何形状可以通过局部冲击波几何形状来描述。我们计算此几何形状中的纠缠楔横截面以进行对称间隔，并发现它与CFT结果完全匹配，以充分迟到。我们的结果在零之前表现出平稳性，这种行为类似于在全球量子淬灭的背景下最近观察到的行为。我们发现，在高温下，这种行为是通过线条张力的图片正确捕获的。
We consider reflected entropy in a thermofield double state perturbed by a heavy operator insertion. For sufficiently early operator insertions the dual geometry can be described by a localized shock wave geometry. We calculate the entanglement wedge cross-section in this geometry for symmetric intervals and find that it matches precisely with the CFT result for sufficiently late times. Our result exhibits a plateau before going to zero, a behaviour similar to the one observed recently in the context of global quantum quenches. We find that at high temperatures this behaviour is properly captured by the line-tension picture.
