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Related papers: Quantum Entanglement in the Dirac Field Quantizati…

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Quantum information science has been broadly explored in Einstein gravity and in various modified gravity theories; however, its extension to quantum gravity settings remains largely unexplored. Motivated by this gap, in this paper we…

General Relativity and Quantum Cosmology · Physics 2025-12-01 Xiaobao Liu , Wentao Liu , Shu-Min Wu

The genuine entanglement of Dirac fields for an N-partite system is investigated in Schwarzschild spacetime and the analysis is carried out using the single-mode approximation. Due to the Hawking effect, quantum entanglement is divided into…

General Relativity and Quantum Cosmology · Physics 2023-11-22 Shu-Min Wu , Xiao-Wei Teng , Jin-Xuan Li , Si-Han Li , Tong-Hua Liu , Jie-Ci Wang

Inspired by the condensed-matter analogues of black holes, we study the quantum correlations across the event horizon reflecting the entanglement between the outgoing particles of the Hawking radiation and their in-falling partners. For a…

General Relativity and Quantum Cosmology · Physics 2014-11-20 Ralf Schützhold , William G. Unruh

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

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

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

We observe spontaneous Hawking radiation, stimulated by quantum vacuum fluctuations, emanating from an analogue black hole in an atomic Bose-Einstein condensate. Correlations are observed between the Hawking particles outside the black hole…

General Relativity and Quantum Cosmology · Physics 2017-08-09 Jeff Steinhauer

A field in the vacuum state, which is in principle separable, can evolve to an entangled state in a dynamical gravitational collapse. We will study, quantify, and discuss the origin of this entanglement, showing that it could even reach the…

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

Quantum correlations across the horizon could be pivotal in unveiling the puzzles surrounding quantum aspects of black holes and Hawking radiation. The peaks in the equal time correlation function are typically attributed to the entangled…

General Relativity and Quantum Cosmology · Physics 2025-05-09 Harkirat Singh Sahota , Suprit Singh , Ashish Pandita

In this letter, we mainly investigate how to enhance the damaged quantum entanglement under an open Dirac system with Hawking effect within Schwarzschild space-time. We consider that particle A hold by Alice undergoes generalized amplitude…

Quantum Physics · Physics 2018-05-23 Wen-Yang Sun , Dong Wang , Bao-Long Fang , Jia-Dong Shi , Liu Ye

The Hawking radiation of Dirac particles in an arbitrarily rectilinearly accelerating Kinnersley black hole with electro-magnetic charge and cosmological constant is investigated by using method of the generalized tortoise coordinate…

General Relativity and Quantum Cosmology · Physics 2007-05-23 S. Q. Wu , X. Cai

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

We study the properties of quantum entanglement and teleportation in the background of stationary and rotating curved space-times with extra dimensions. We show that a maximally entangled Bell state in an inertial frame becomes less…

Quantum Physics · Physics 2008-11-26 Xian-Hui Ge , Sang Pyo Kim

We study the dynamics of classical correlation, quantum discord and measurement-induced disturbance of Dirac fields in the background of a dilaton black hole. We present an alternative physical interpretation of single mode approximation…

Quantum Physics · Physics 2014-12-31 Jieci Wang , Jiliang Jing , Heng Fan

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

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

In this work, we investigate the properties of Hawking radiation induced by the quantum atmosphere beyond the event horizon, by considering two detectors in Schwarzschild spacetime with the parameterized Hartle-Hawking temperature.…

General Relativity and Quantum Cosmology · Physics 2025-06-16 Shuai Zhang , Li-Juan Li , Xue-Ke Song , Liu Ye , Dong Wang

Some aspects of atom-field interactions in curved spacetime are reviewed. Of great interest are quantum radiative and entanglement processes arising out of Rindler and black hole spacetimes, which involve the role of Hawking-Unruh and…

General Relativity and Quantum Cosmology · Physics 2024-05-17 Syed Masood A. S. Bukhari , Li-Gang Wang

The merging of quantum information science with the relativity theory presents novel opportunities for understanding the enigmas surrounding the transmission of information in relation to black holes. For this purpose, we study the…

General Relativity and Quantum Cosmology · Physics 2024-01-23 S. Haddadi , M. A. Yurischev , M. Y. Abd-Rabbou , M. Azizi , M. R. Pourkarimi , M. Ghominejad

Unifying quantum theory and gravity remains a fundamental challenge in physics. While most existing literature focuses on the ultraviolet (UV) modifications of quantum theory due to gravity, this work shows that generic infrared (IR)…

General Relativity and Quantum Cosmology · Physics 2024-08-27 Mytraya Gattu , S. Shankaranarayanan
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