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Journal of Xinyang Normal University

Probabilistic Teleportation and Guantum Logical Circuit of an Arbitrary Three-particle Entangled State

Guo Zhan-ying, Ruxian Yao

Published Jan 1, 2006• 0 citations
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Abstract

This paper presented a scheme to probabilistically teleport an arbitrary and unknown three-particle entangled state via three pairs non-maximally entangled states as the quantum channel.With the help of Bell-state measurements,an arbitrary three-particle state can be perfectly teleported if the receiver introduces a collective unitary transformation.In this scheme,the unitary transformation is given uniquely,which is not the same as others.Finally,a guantum logical circuit which can carry out the unitary transformation is given.

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This paper presented a scheme to probabilistically teleport an arbitrary and unknown three-particle entangled state via three pairs non-maximally entangled states as the quantum channel.With the help of Bell-state measurements,an arbitrary three-particle state can be perfectly teleported if the receiver introduces a collective unitary transformation.In this scheme,the unitary transformation is given uniquely,which is not the same as others.Finally,a guantum logical circuit which can carry out the unitary transformation is given.
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A scheme for teleporting an arbitrary and unknown three-particle state from a sender to either one of two receivers is proposed. The quantum channel is composed of a two-particle non-maximally entangled state and two three-particle non-maximally entangled W states. An arbitrary three-particle state can be perfectly teleported probabilistically if the sender performs three generalized Bell-state measurements and sends to the two receivers the classical result of these measurements and either one of the two receivers adopts an appropriate unitary transformation conditioned on the suitable measurement outcomes of the other receiver. All kinds of unitary transformations are given in detail.
We present a scheme to probabilistically teleport an arbitrary and unknown two-particle state via a nonmaximally entangled EPR pair and a non-maximally entangled GHZ state as the quantum channel. With the help of Bell-state measurements and Hadamard measurement, an arbitrary two-particle state can be perfectly teleported if a receiver introduces a collective unitary transformation. The unitary transformation is given uniquely. Also, we present a quantum circuit for realizing the teleportation successfully.
We present a scheme for teleporting an arbitrary and unknown two-particle state from a sender to either one of two receivers. The quantum channel is composed of two non-maximally three-particle entangled W states. An arbitrary two-particle state can be perfectly teleported probabilistically if both the sender performs two generalized Bell-state measurements and either one of two receivers adopts an appropriate unitary transformation, conditioned on the suitable measurement outcomes of the other receiver and classical information.
Two simple schemes for probabilistic teleportation of an arbitrary unknown two-particle state using a non-maximally entangled EPR pair and a non-maximally entangled GHZ state as quantum channels are proposed. After receiving Alice's Bell state measurement results, Bob performs a collective unitary transformation on his inherent particles without introducing the auxiliary qubit. The original state can be probabilistically teleported. Meanwhile, quantum circuits for realization of successful teleportation are also presented.
We present a scheme to teleport an unknown three-particle entangled state from a sender to either one of two receivers. The partial three-particle entangled state and the three-particle entangled W state are considered as the quantum channels. An unknown three-particle entangled state can be perfectly teleported probabilistically by performing two generalized Bell measurements and the Hadamard operation at the sender's side and introducing an appropriate unitary transformation in each receiver's laboratory conditioned on the simple measurement outcome of the other. All kinds of unitary transformations are given in details. This scheme can be directly generalized to teleport an unknown three-particle entangled state from a sender to any one of N receivers by the partial three-particle entangled state and the ( N + 1)-particle entangled W state.