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Related papers: Sharing nonlocality in a network using the quantum…

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Of late, there has been an upsurge of interest in studying the sequential sharing of various forms of quantum correlations, viz., nonlocality, preparation contextuality, coherence, and entanglement. In this work, we explore the sequential…

Quantum Physics · Physics 2023-01-02 Shyam Sundar Mahato , A. K. Pan

Multipartite nonlocality in a network is conceptually different from standard multipartite Bell nonlocality. In recent times, network nonlocality has been studied for various topologies. We consider a linear-chain topology of the network…

Quantum Physics · Physics 2023-01-02 Rahul Kumar , A. K. Pan

The nonlocality revealed in a multiparty multisource network Bell experiment is conceptually different than the standard multiparty Bell nonlocality involving a single common source. Here, by introducing variants of asymmetric bilocal as…

Quantum Physics · Physics 2023-11-09 Souradeep Sasmal , Shyam Sundar Mahato , Alok Kumar Pan

In an entanglement swapping scenario, if two sources sharing entangled states between three parties are independent, local correlations lead to a different kind of inequalities than the standard Bell inequalities, known as network local…

Quantum Physics · Physics 2022-11-23 Pritam Halder , Ratul Banerjee , Shiladitya Mal , Aditi Sen De

Network nonlocality exhibits completely novel quantum correlations compared to standard quantum nonlocality. It has been shown that network nonlocality can be shared in a generalized bilocal scenario via weak measurements [Phys. Rev. A.…

Quantum Physics · Physics 2022-11-18 Jian-Hui Wang , Ya-Jie Wang , Liu-Jun Wang , Qing Chen

Bell experiment in the network gives rise to a form of quantum nonlocality which is conceptually different from traditional multipartite Bell nonlocality. Conventional multipartite Bell experiment features a single source that distributes…

Quantum Physics · Physics 2023-11-09 Sneha Munshi , A. K. Pan

The nonlocality arising in a multi-party network involving multiple independent sources radically differs from the standard multipartite Bell nonlocality involving a single source. The notion of the full network nonlocality (FNN) (Phys.…

Quantum Physics · Physics 2024-10-01 Sneha Munshi , A. K. Pan

Source independent quantum networks are considered as a natural generalization to the Bell scenario where we investigate the nonlocal properties of quantum states distributed and measured in a network. Considering the simplest network of…

Quantum Physics · Physics 2020-12-30 Amit Kundu , Mostak Kamal Molla , Indrani Chattopadhyay , Debasis Sarkar

Standard multiparty Bell experiments involve a single source shared by a set of observers. In contrast, network Bell experiments feature multiple independent sources, and each of them may distribute physical systems to a set of observers…

Quantum Physics · Physics 2022-01-05 Sneha Munshi , A. K. Pan

The multipartite quantum networks feature multiple independent sources, in contrast to the conventional multipartite Bell experiment involving a single source. So far, network nonlocality has been explored when each source produces a…

Quantum Physics · Physics 2022-04-13 Sneha Munshi , A. K. Pan

A quantum network shared entangled sources among distant nodes enables us to distribute entanglement along the network by suitable measurements. Network nonlocality means that it does not admit a network model involving local variables…

Quantum Physics · Physics 2025-03-13 Zan-Jia Li , Ying-Qiu He , Dong Ding , Ming-Xing Yu , Ting Gao , Feng-Li Yan

The study of quantum nonlocality sharing has garnered significant attention, particularly for two-qubit and three-qubit entangled systems. In this paper, we extend the investigation to $n$-qubit Greenberger-Horne-Zeilinger (GHZ) systems,…

Quantum Physics · Physics 2025-08-12 Sk Sahadat Hossain , Indrani Chattopadhyay

Sharing network nonlocality in an extended quantum network scenario is the new paradigm in the development of quantum theory. In this paper, we investigate the influence of Elegant joint measurement(in short, EJM) bases in an extended…

Quantum Physics · Physics 2024-06-04 Amit Kundu , Debasis Sarkar

Standard tripartite nonlocality and genuine tripartite nonlocality can be detected by the violations of Mermin inequality and Svetlichny inequality, respectively. Since tripartite quantum nonlocality has novel applications in quantum…

Quantum nonlocality is a significant feature in quantum information theory, prompting recent investigations into the potential reuse of post-measurement states to uncover nonlocality among sequentially measuring observers. While prior…

Quantum Physics · Physics 2024-06-18 Bang-Zhu Shen , Mao-Sheng Li

Entanglement and nonlocality are two important nonclassical features of quantum correlations. Recently the study of quantum correlations in networks has undergone remarkable progress owing to technological development towards scalable…

Quantum Physics · Physics 2024-10-22 Kaushiki Mukherjee , Biswajit Paul

This work investigates network nonlocality sharing for a broad class of bipartite Bell inequalities in a generalized star network with an $(n,m,k)$ configuration, comprising $n$ independent branches, $m$ sequential Alices per branch, and…

Quantum Physics · Physics 2026-01-29 Hao-Miao Jiang , Xiang-Jiang Chen , Liu-Jun Wang , Qing Chen

Quantum network correlations have attracted strong interest as the emergency of the new types of violations of locality. Here we investigated network nonlocal sharing in the extended bilocal scenario via weak measurements. Interestingly,…

Quantum Physics · Physics 2022-05-11 Wenlin Hou , Xiaowei Liu , Changliang Ren

Genuine multipartite nonlocality and nonlocality arising in networks composed of several independent sources have been separately investigated. While some genuinely entangled states cannot be verified by violating a single Bell-type…

Bell's theorem was a cornerstone for our understanding of quantum theory, and the establishment of Bell non-locality played a crucial role in the development of quantum information. Recently, its extension to complex networks has been…

Quantum Physics · Physics 2019-05-23 Francesco Andreoli , Gonzalo Carvacho , Luca Santodonato , Rafael Chaves , Fabio Sciarrino
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