德西特时空中的三方量子传送

IF 1.5 4区物理与天体物理 Q3 ASTRONOMY & ASTROPHYSICS

Modern Physics Letters A Pub Date : 2024-04-19 DOI:10.1142/s0217732324500330

Zhiming Huang, Xiangfu Zou, Haozhen Situ, Zhimin He, Lianghui Zhao, Yiyong Ye, Zhenbang Rong

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引用次数: 0

摘要

本文构建了德西特真空中的三方量子远传方案。然后，我们研究了真空波动、温度和两原子距离对三方量子远传性能的影响。研究发现，随着温度和演化时间的增加，保真度会快速下降。虽然温度相对较低，但双原子间距的影响不容忽视，保真度随双原子间距和时间的变化而变化。这些结果可能有助于处理曲线时空中的量子信息任务，并通过量子信息手段探索曲线时空的特性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Tripartite quantum teleportation in de Sitter spacetime

In this paper, a tripartite quantum teleportation scheme in de Sitter vacuum is constructed. Then we investigate the influence of vacuum fluctuation, temperature and two-atom distance on performance of the tripartite quantum teleportation. It is found that fidelity drops fast with temperature and evolution time increasing. While temperature is low relatively, the influence of two-atom distance cannot be negligible, the change of fidelity is different with two-atom separation and time varying. The results may be helpful for dealing with quantum information tasks in curve spacetime and exploring the properties of curve spacetime through quantum information means.

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来源期刊

Modern Physics Letters A 物理-物理：核物理

CiteScore

3.10

自引率

7.10%

发文量

186

审稿时长

3 months

期刊介绍： This letters journal, launched in 1986, consists of research papers covering current research developments in Gravitation, Cosmology, Astrophysics, Nuclear Physics, Particles and Fields, Accelerator physics, and Quantum Information. A Brief Review section has also been initiated with the purpose of publishing short reports on the latest experimental findings and urgent new theoretical developments.