论文标题
通过黑洞附近的量子场进行通信
Communication through quantum fields near a black hole
论文作者
论文摘要
我们研究了两个局部的第一量化系统之间的量子通道，它们通过量子场在3+1维施瓦茨奇德时空进行通信。我们分析了直接和黑洞孔的无效测量学的信息以及出现的时间贡献的信息，因为强大的Huygens原理不存在于Schwarzschild的背景上。我们特别发现，在Minkowski时空上没有类似物的非直接毫无根据和时间表的贡献可以在直接的无效贡献上占主导地位。我们涵盖了测量和加速发射器的案例。从技术上讲，我们应用了以前设计用于研究曲线空间中波传播的工具，以对相对论量子信息通信设置设置，首先是通用的空间，然后尤其是Schwarzschild时空。
We study the quantum channel between two localized first-quantized systems that communicate in 3+1 dimensional Schwarzschild spacetime via a quantum field. We analyze the information carrying capacity of direct and black hole-orbiting null geodesics as well as of the timelike contributions that arise because the strong Huygens principle does not hold on the Schwarzschild background. We find, in particular, that the non-direct-null and timelike contributions, which do not possess an analog on Minkowski spacetime, can dominate over the direct null contributions. We cover the cases of both geodesic and accelerated emitters. Technically, we apply tools previously designed for the study of wave propagation in curved spacetimes to a relativistic quantum information communication setup, first for generic spacetimes, and then for the case of Schwarzschild spacetime in particular.
