Quantum Teleportation Protocol of Arbitrary Quantum States by Using Quantum Fourier Transform
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Quantum Teleportation Protocol of Arbitrary Quantum States by Using Quantum Fourier Transform Zhengwen Cao1 · Chenhao Zhang1 · Chen He1
· Minghui Zhang1
Received: 22 April 2020 / Accepted: 7 August 2020 / © Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract In this article, we first propose a quantum teleportation protocol to teleport the arbitrary quantum states via an arbitary quantum entanglement states. We find the projection base which Alice use to project her quantum states by quantum Fourier transform.According to the principle of quantum mechanics, we derive the unitary operations which Bob needs to do. The Unitary operations make the qubits which Bob holds become the states which Alice want to teleport. Compare to other protocols, we show that our protocol can solve more general problems and can be used in more complex situations. Our method of finding the projective basis is universal and convenient, and it could have potential application in the future. Keywords Quantum teleportation · Quantum entanglement · Quantum fourier transform
1 Introduction Quantum information theory is a new subject developed in recent decades. Quantum communication has many advantages such as effective transmission information [1], long transmission distance [2] and strong confidentiality [3]. Quantum communication is another epoch-making revolution in communication technology and has broad prospects for development.
Chen He
[email protected] Zhengwen Cao [email protected] Chenhao Zhang [email protected] Minghui Zhang [email protected] 1
The authors are with the School of Information Science and Technology, Northwest University, Xi’an, 710127, People’s Republic of China
International Journal of Theoretical Physics
Quantum entanglement is a unique phenomenon of quantum mechanics. It is the strangest and most mysterious feature of quantum mechanics, Quantum entanglement has been used in many applications such as quantum secret sharing [4], dense coding [5], quantum computation [6] and so on,and it is the core of quantum internet [7]. With the continuous breakthroughs in the theory and experiment of quantum entangment, a new research field has gradually formed and attracted people’s attention. Quantum teleportation (QT) is a way which uses quantum entanglement to teleport a quantum state without transmitting qubits. QT was first proposed by Bennett [8], he showed that an unknown quantum state can be teleported from a place to another by using an EPR pair and by sending two bits of classical information from Alice to Bob. Since then, Quantum teleportation has become one of the most important research objects in the field of quantum information. In 1997, D. Bouwmeester et al. [9] first realized QT experiment. And many different QT protocol had been proposed, Zhang et al. proposed a QT protocol of an Arbitrary N qubit State via GHZ State [10], Gao et al. [11] and Chen et al. [12] proposed QT protocols which use brown state to teleport arbitary 2 and 3 qubits. Quantum teleportation is
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