引力波探测--相对论量子信息理论的一个应用
Detection of Gravitational Wave - An Application of Relativistic Quantum Information Theory
摘要：
我们表明，通过引力波可能会影响自旋熵和自旋负性的$N$大质量自旋1/2粒子系统，在某种程度上是辐射的特征。我们建立的具体条件下，这种影响可能是非零的。然而，自旋熵和负性的变化非常小。在这里，我们提出并表明，这种效果可以通过纠缠交换放大。相对论性量子信息理论可能对引力波的探测有所贡献。
英文摘要：
We show that a passing gravitational wave may influence the spin entropy and spin negativity of a system of $N$ massive spin-1/2 particles, in a way that is characteristic of the radiation. We establish the specific conditions under which this effect may be nonzero. The change in spin entropy and negativity, however, is extremely small. Here, we propose and show that this effect may be amplified through entanglement swapping. Relativistic quantum information theory may have a contribution towards the detection of gravitational wave.
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