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Related papers: Multiparty Quantum Remote Control

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A protocol for multiparty quantum secret splitting is proposed with an ordered $N$ EPR pairs and Bell state measurements. It is secure and has the high intrinsic efficiency and source capacity as almost all the instances are useful and each…

Quantum Physics · Physics 2007-05-23 Fu-Guo Deng , Xi-Han Li , Chun-Yan Li , Ping Zhou , Hong-Yu Zhou

Multipartite entanglement plays a crucial role for the design of the Quantum Internet, due to its potentiality of significantly increasing the network performance. In this paper, we design an entanglement access control protocol for…

Base on the idea of dense coding of three-photon entangled state and qubit transmission in blocks, we present a multiparty controlled quantum secret direct communication scheme using Greenberger-Horne-Zeilinger state. In the present scheme,…

Quantum Physics · Physics 2009-11-13 Jian Wang , Quan Zhang , Chao-jing Tang

This paper proposes a protocol for hybrid quantum teleportation and remote state preparation(RSP). It allows users to transmit an n-qubit quantum state by using (4n+1)qubits entangled state as a quantum channel to each other simultaneously.…

Quantum Physics · Physics 2025-01-31 MohammadHossein Valeh , Hossein Aghababa , Mohammadreza Kolahdouz , Masoud Barati

We present a general scheme for multiparty-controlled teleportation of an arbitrary m-qudit ($d$-dimensional quantum system) state by using non-maximally entangled states as the quantum channel. The sender performs m generalized Bell-state…

Quantum Physics · Physics 2009-05-07 Ping Zhou , Xi-Han Li , Fu-Guo Deng , Hong-Yu Zhou

Herein, we present a feasible, general protocol for quantum communication within a network via generalized remote preparation of an arbitrary $m$-qubit entangled state designed with genuine tripartite Greenberger--Horne--Zeilinger-type…

Quantum Physics · Physics 2015-06-24 Dong Wang , Ross D. Hoehn , Liu Ye , Sabre Kais

There is much interest in the multiparty quantum communications where quantum teleportation using high dimensional entangled quantum channel is one of the promising tools. In this paper, we propose a more general scheme for M-party…

Quantum Physics · Physics 2008-03-28 Ye Jun , Yue Li , Yu Liu , Sha Hua

In this paper, we develop a quantum key distribution protocol based on the Greenberger-Horne-Zeilinger states (GHZs). The particles are exchanged among the users in blocks through two steps. In this protocol, for three-particle GHZs three…

We present a scheme for symmetric multiparty quantum state sharing of an arbitrary $m$-qubit state with $m$ Greenberger-Horne-Zeilinger states following some ideas from the controlled teleportation [Phys. Rev. A \textbf{72}, 02338 (2005)].…

Quantum Physics · Physics 2007-05-23 Xi-Han Li , Ping Zhou , Chun-Yan Li , Hong-Yu Zhou , Fu-Guo Deng

Quantum networks will provide multi-node entanglement over long distances to enable secure communication on a global scale. Traditional quantum communication protocols consume pair-wise entanglement, which is sub-optimal for distributed…

Multipartite entanglement enables secure and anonymous key exchange between multiple parties in a network. In particular Greenberger-Horne-Zeilinger (GHZ) states have been introduced as resource states for anonymous key exchange protocols,…

Quantum Physics · Physics 2025-02-27 Lukas Rückle , Jakob Budde , Jarn de Jong , Frederik Hahn , Anna Pappa , Stefanie Barz

A multiparty quantum secret sharing (QSS) protocol is proposed by using swapping quantum entanglement of Bell states. The secret messages are imposed on Bell states by local unitary operations. The secret messages are split into several…

Quantum Physics · Physics 2009-11-10 Z. J. Zhang , Z. X. Man

Quantum privacy comparison(QPC) plays an important role in secret ballot elections, private auctions and so on. To date, many multi-party QPC(MQPC) protocols have been proposed to compare the equality of $k(k\geq 3)$ participants. However,…

Quantum Physics · Physics 2019-02-12 Hao Cao , Wenping Ma , Liangdong Lyu , Yefeng He , Ge Liu

Multipartite device-independent quantum key distribution (DI-QKD), also known as device-independent conference key agreement, enables more than two remote parties to share a common key with information-theoretic security even without…

Quantum Physics · Physics 2026-03-03 Makoto Ishihara , Wojciech Roga , Masahiro Takeoka

A set of new schemes for quantum computation and communication have been either designed or experimentally realized using optimal quantum resources. A multi-output quantum teleportation scheme, where a sender (Alice) teleports an m and…

Quantum Physics · Physics 2025-07-15 Satish Kumar

We present a three-party simultaneous quantum secure direct communication (QSDC) scheme by using Greenberger-Horne-Zeilinger (GHZ) states. This scheme can be directly generalized to $N$-party QSDC by using $n$-particle GHZ states. We show…

Quantum Physics · Physics 2009-11-13 Xing-Ri Jin , Xin Ji , Ying-Qiao Zhang , Shou Zhang , Suc-Kyoung Hong , Kyu-Hwang Yeon , Chung-In Um

Quantum conference key agreement enables secure communication among multiple parties by leveraging multipartite entanglement, which is expected to play a crucial role in future quantum networks. However, its practical implementation has…

Quantum Physics · Physics 2026-03-27 Yu-Shuo Lu , Hua-Lei Yin , Yuan-Mei Xie , Yao Fu , Zeng-Bing Chen

In this paper, a three party controlled quantum secure direct communication protocol based on GHZ like state is proposed. In this scheme, the receiver can obtain the sender s two secret bits under the permission of the controller. By using…

Quantum Physics · Physics 2014-07-16 Shima Hassanpour , Monireh Houshmand

We propose a multi party quantum clock synchronization protocol that makes optimal use of the maximal multipartite entanglement of GHZ-type states. To realize the protocol, different versions of maximally entangled eigenstates of collective…

Quantum Physics · Physics 2015-06-04 Changliang Ren , Holger F. Hofmann

Multi-party quantum steering is an important concept in quantum information theory and quantum mechanics, typically related to quantum entanglement and quantum nonlocality. It enables precise manipulation of large quantum systems, which is…

Quantum Physics · Physics 2024-12-30 Zhi-Hao Bian , Jia-Qi Sun , Yi Shen