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With the complexity of information tasks, the bipartite and tripartite entanglement can no longer meet our needs, and we need more entangled particles to process relativistic quantum information. In this paper, we study the genuine…

Quantum Physics · Physics 2022-05-10 Shu-Min Wu , Yu-Tong Cai , Wen-Jing Peng , Hao-Sheng Zeng

Complex quantum information tasks in a gravitational background require multipartite entanglement for effective processing. Therefore, it is necessary to investigate the properties of multipartite entanglement in a relativistic setting. In…

General Relativity and Quantum Cosmology · Physics 2024-12-02 Shu-Min Wu , Xiao-Wei Teng , Xiao-Li Huang , Jianbo Lu

We study the genuine tripartite nonlocality (GTN) and the genuine tripartite entanglement (GTE) of Dirac fields in the background of a Schwarzschild black hole. We find that the Hawking radiation degrades both the physically accessible GTN…

Quantum Physics · Physics 2022-01-10 Shu-Min Wu , Hao-Sheng Zeng

We study the genuine tripartite entanglement (GTE), one-tangle and two-tangle of W state of fermionic fields in the background of a Schwarzschild black hole. We find that, with the increase of the Hawking temperature, the GTE of W state…

Quantum Physics · Physics 2023-01-05 Shu-Min Wu , Xiao-Wei Fan , Xiao-Li Huang , Hao-Sheng Zeng

We investigate the quantum entanglement properties of the Dirac field near a charged Reissner--Nordstr\"om black hole, incorporating the effects of Hawking radiation within the framework of quantum field theory in curved spacetime. Using…

High Energy Physics - Theory · Physics 2026-05-07 Abdessamie Chhieb , Chaimae Banouni , Saliha Abdessamie , Mohamed Ouchrif

We investigate the properties of quantum entanglement and mutual information in the multi-event horizon Schwarzschild-de Sitter (SdS) spacetime for massless Dirac fields. We obtain the expression for the evolutions of the quantum state near…

General Relativity and Quantum Cosmology · Physics 2024-09-04 Qianqian Liu , Shu-Min Wu , Cuihong Wen , Jieci Wang

The quantum Bell nonlocality plays a crucial role in quantum information processing. In this paper, we first obtain the quantitative analytical expression of the genuine four-partite Bell nonlocality of any 4-qubit quantum state. Then, we…

Quantum Physics · Physics 2025-04-01 Guang-Wei Mi , Xiaofen Huang , Shao-Ming Fei , Tinggui Zhang

The effect of Hawking radiation on the redistribution of the entanglement and mutual information in the Schwarzschild spacetime is investigated. Our analysis shows that the physically accessible correlations degrade while the unaccessible…

Quantum Physics · Physics 2015-05-19 Jieci Wang , Qiyuan Pan , Jiliang Jing

In this study, we investigate the influence of Hawking decoherence on the quantum correlations of Dirac fields between \textit{Alice} and \textit{Bob}. Initially, they share a \textit{Gisin} state near the Schwarzschild black hole (SBH) in…

Quantum Physics · Physics 2024-07-09 Samira Elghaayda , Asad Ali , Saif Al-Kuwari , Mostafa Mansour

We investigate the Hawking effect on entangled fields. By considering a scalar field which is in a two-mode squeezed state from the point of view of freely falling (Kruskal) observers crossing the horizon of a Schwarzschild black hole, we…

Quantum Physics · Physics 2009-05-26 Gerardo Adesso , Ivette Fuentes-Schuller

It is shown that the projective measurements made by Bob who locates near the event horizon of the Schwarzschild black hole will create entangled particles detected by Alice who stays stationary at the asymptotically flat region. It is…

General Relativity and Quantum Cosmology · Physics 2014-11-20 Jieci Wang , Qiyuan Pan , Jiliang Jing

We examine the Hawking effect by studying the asymptotic entanglement of two mutually independent two-level atoms placed at a fixed radial distance outside a Schwarzschild black hole in the framework of open quantum systems. We treat the…

High Energy Physics - Theory · Physics 2011-09-05 Jiawei Hu , Hongwei Yu

Hawking radiation effects on an entangled pair near the event horizon of a Schwarzschild black hole are investigated. The Hawking radiation was found to degrade both the quantum coherence of the entangled state and the mutual correlations…

Quantum Physics · Physics 2011-08-04 Doyeol Ahn

We investigate the amplification of the genuine tripartite nonlocality(GTN) and the genuine tripartite entanglement(GTE) of Dirac particles in the background of a Schwarzschild black hole by a local filtering operation under decoherence. It…

Quantum Physics · Physics 2024-05-21 Chunyao Liu , Zhengwen Long , Qiliang He

We analyze the entanglement degradation provoked by the Hawking effect in a bipartite system Alice-Rob when Rob is in the proximities of a Schwarzschild black hole while Alice is free falling into it. We will obtain the limit in which the…

Quantum Physics · Physics 2014-11-21 E. Martin-Martinez , L. J. Garay , J. Leon

We study the entanglement among sequential Hawking radiations in the Parikh-Wilczek tunneling model of Schwarzschild black hole. We identify the part of classical correlation and that of quantum entanglement in bipartite information and…

High Energy Physics - Theory · Physics 2014-12-03 Shogo Kuwakino , Wen-Yu Wen

The quantum discord and tripartite entanglement are discussed in the presence of an asymptotically flat static black holes. The total correlation, quantum discord and classical correlation exhibit decreasing behavior with increasing Hawking…

High Energy Physics - Theory · Physics 2012-06-26 Eylee Jung , Mi-Ra Hwang , DaeKil Park

We investigate certain quantumness in the vicinity of the Schwarzschild black hole by utilizing the W state. We explore the influence of the Hawking effect on the l_1-norm of quantum coherence, the first-order coherence (FOC), the…

Quantum Physics · Physics 2025-10-16 Guang-Wei Mi , Xiaofen Huang , Shao-Ming Fei , Tinggui Zhang

Quantum thermal effect of Dirac particles in an arbitrarily accelerating Kinnersley black hole is investigated by using the method of generalized tortoise coordinate transformation. Both the location and the temperature of the event horizon…

General Relativity and Quantum Cosmology · Physics 2021-10-20 S. Q. Wu , X. Cai

We explore the acceleration effect on the genuine tripartite nonlocality (GTN) for one or two accelerated detector(s) coupled to the vacuum field with initial mixed tripartite states. We show that the Hawking radiation degrades the…

General Relativity and Quantum Cosmology · Physics 2023-07-26 Tinggui Zhang , Xin Wang , Shao-Ming Fei
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