Improving the Teleportation Scheme of Five-Qubit State with a Seven-Qubit Quantum Channel

Yang, Yong Ryoul; Jiang, Min; Zhou, Lei

doi:10.1007/s10773-018-3863-7

Cited by 8 publications

(3 citation statements)

References 34 publications

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“…In bit-phase-flip noise, the output state (ρ F out ) b 0 b 1 b 2 a 3 can be calculated according to (32), as shown at the top of the next page.…”

Section: E Bit-phase-flip Noisy Environmentmentioning

confidence: 99%

“…In bit-phase-flip noise, fidelity F F of the output state can be calculated according to (13) and (32).…”

Section: E Bit-phase-flip Noisy Environmentmentioning

confidence: 99%

“…In 2016, Li et al firstly proposed an ABCQT protocol by using six-qubit cluster state [28], in which the user Alice can transmit an arbitrary two-qubit entangled state to the user Bob and at the same time the user Bob can transmit an arbitrary single-qubit state to the user Alice. We firstly propose a ABCQT scheme for transmitting arbitrary three-qubit entangled state, in the previous scheme, the transmitted n (n >= 3) particles are pure state and (n < 3) are arbitrary state [29]- [32].…”

Section: Introductionmentioning

confidence: 99%

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Asymmetric Bidirectional Controlled Teleportation by Using Nine-Qubit Entangled State in Noisy Environment

Zhou¹,

Zhang²,

Xu³

et al. 2019

IEEE Access

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In this paper, a novel protocol for asymmetric bidirectional controlled quantum teleportation (ABCQT) by using the nine-qubit entangled state as a quantum channel is proposed. Alice transmits an arbitrary three-qubit entangled state to Bob and at the same time, Bob transmits an arbitrary single-qubit entangled state to Alice under the permission of a third party as a controller. This protocol is based on the Hadamard (H) gates, controlled-not (CNOT) operations, appropriate unitary operations, and single-qubit Von Neumann measurements (SM) which are more efficient than multi-qubit joint measurements (JM). This scheme explicitly shows how the channel of nine-qubit entangled state prepares, and it is discussed in six types of noisy scenarios (amplitude-damping, phase-damping, bit-flip, phase-flip, bit-phase-flip, and depolarizing noisy scenarios). Then, we analytically derive the fidelities of the ABCQT process and show that they only depend on the amplitude parameter of the initial state and the decoherence noisy rate. Finally, compared with previous schemes, this scheme also shows remarkable advantages.

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“…In bit-phase-flip noise, the output state (ρ F out ) b 0 b 1 b 2 a 3 can be calculated according to (32), as shown at the top of the next page.…”

Section: E Bit-phase-flip Noisy Environmentmentioning

confidence: 99%

“…In bit-phase-flip noise, fidelity F F of the output state can be calculated according to (13) and (32).…”

Section: E Bit-phase-flip Noisy Environmentmentioning

confidence: 99%