Entanglement and decoherence of massive particles due to gravity

被引：37
|
作者：
Miki, Daisuke [1 ]
Matsumura, Akira [1 ]
Yamamoto, Kazuhiro [1 ]
机构：
[1] Kyushu Univ, Dept Phys, Nishi Ku, 744 Motooka, Fukuoka, Fukuoka 8190395, Japan
来源：
PHYSICAL REVIEW D | 2021年 / 103卷 / 02期
基金：
日本学术振兴会;
关键词：
D O I：
10.1103/PhysRevD.103.026017
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We analyze the dynamics of a gravity-induced entanglement for N massive particles. Considering the linear configuration of these particles, we investigate the entanglement between a specific pair of particles under the influence of the gravitational interaction between the massive particles. As the particle number increases, the specific particle pair decoheres more easily due to the gravitational interaction with other particles. The timescale of the gravity-induced decoherence is analytically determined. We also discuss the entanglement dynamics of initially entangled particles, which exemplify the monogamy of the gravity-induced entanglement.
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页数：12
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