Controlled Remote State Preparation of an Arbitrary Four-Qubit Entangled Cluster-Type State Using Seven-Qubit Cluster State
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Theoretical Physics"
DOI: 10.1007/s10773-017-3333-7
Abstract: We propose a deterministic protocol for remotely preparing an arbitrary four-qubit entangled cluster-type state. In our protocol, a seven-qubit cluster state is employed to link the two senders (Alice and Bob) and the receiver Charlie.… read more here.
Keywords: state; four qubit; qubit entangled; arbitrary four ... See more keywords
Improving the Teleportation Scheme of Three-Qubit State with a Four-Qubit Quantum Channel
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Theoretical Physics"
DOI: 10.1007/s10773-017-3547-8
Abstract: Recently, Zhao-Hui Wei et al. (Int. J. Theor. Phys. 55, 4687, 2016) proposed an improved quantum teleportation scheme for one three-qubit unknown state with a four-qubit quantum channel based on the original one proposed by… read more here.
Keywords: state; four qubit; three qubit; quantum channel ... See more keywords
Multiparty Quantum Key Agreement with Four-Qubit Symmetric W State
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DOI: 10.1007/s10773-018-3884-2
Abstract: Based on four-qubit symmetric W state, the delayed measurement, decoy photos method, block transmission technique and the dense coding method, a multi-party quantum key agreement protocol is proposed. By utilizing the delayed measurement and decoy… read more here.
Keywords: qubit symmetric; four qubit; key agreement; symmetric state ... See more keywords
Deterministic Secure Four-qubit GHZ States Three-step Protocol for Quantum Communication
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DOI: 10.1007/s10773-019-04234-0
Abstract: A deterministic secret quantum communication (DSQC) protocol is proposed with four-qubit GHZ states. It has some outstanding advantages. Firstly, it has a high communication capacity as each four-qubit GHZ state can carry three bits of… read more here.
Keywords: four qubit; quantum communication; communication; protocol ... See more keywords
Optimal Remote Preparation of a Four-qubit Entangled State Via a Ten-qubit Entangled State
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DOI: 10.1007/s10773-020-04515-z
Abstract: We propose an optimal protocol for remotely preparing a four-qubit entangled state. In this protocol, a sender and two potential receivers share a ten-qubit entangled state. The sender performs a two-qubit state measurement based on… read more here.
Keywords: state; four qubit; entangled state; qubit entangled ... See more keywords
Multi-party quantum key agreement with four-qubit cluster states
Sign Up to like & getrecommendations! Published in 2019 at "Quantum Information Processing"
DOI: 10.1007/s11128-019-2346-y
Abstract: Based on four-qubit cluster states, we present a new multi-party quantum key agreement (QKA) protocol. The proposed protocol makes full use of four-qubit cluster states as quantum resources and performs the X operation to generate… read more here.
Keywords: four qubit; multi party; party; qubit cluster ... See more keywords
Precise detection of multipartite entanglement in four-qubit Greenberger–Horne–Zeilinger diagonal states
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DOI: 10.1007/s11467-018-0799-6
Abstract: We propose a method of constructing the separability criteria for multipartite quantum states on the basis of entanglement witnesses. The entanglement witnesses are obtained by finding the maximal expectation values of Hermitian operators and then… read more here.
Keywords: four qubit; qubit greenberger; horne zeilinger; greenberger horne ... See more keywords
Preparation and Analysis of Two-Dimensional Four-Qubit Entangled States with Photon Polarization and Spatial Path
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DOI: 10.3390/e24101388
Abstract: Entanglement states serve as the central resource for a number of important applications in quantum information science, including quantum key distribution, quantum precision measurement, and quantum computing. In pursuit of more promising applications, efforts have… read more here.
Keywords: entangled states; qubit; qubit entangled; four qubit ... See more keywords