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Science Technology and Engineering

Quantum Information Splitting of an Arbitrary Two-atom State by Using a χ-Type State in Cavity QED

Zha Xin-wei

Published Jan 1, 2012• 0 citations
OpenAlex

Abstract

We A genuinely entangled four-particle χ-Type state can be used to realize the deterministic quantum information splitting of an arbitrary two-atom state in cavity QED is clemonstrated.Comparing to others protocols of QIS,our have been some advantages protocol.The scheme does not involve Bell-state measurement and is insensitive to both the cavity decay and the thermal field.It can be easily realized with present cavity QED techniques.

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In this paper, we propose a scheme of quantum information splitting arbitrary three-qubit state by using seven-qubit entangled as quantum channel. The sender Alice first performs Bell-state measurements (BSMs) on her qubits pairs respectively and tells her measurement outcome to authorizers Bob to reconstruct the original state, then Charlie should carries out single-qubit measurement (SQM) on his qubits. According to the results from Alice and Charlie, Bob can reconstruct the original state by applying an appropriate unitary operation. After analyzing, the method achieved the desired effect of quantum information splitting (QIS). We also realize the QIS of arbitrary three-qubit state in cavity quantum electrodynamics (QED).

International Journal of Theoretical Physics•Nov 21, 2014•12 citations
We A genuinely entangled four-particle χ-Type state can be used to realize the deterministic quantum information splitting of an arbitrary two-atom state in cavity QED is clemonstrated.Comparing to others protocols of QIS,our have been some advantages protocol.The scheme does not involve Bell-state measurement and is insensitive to both the cavity decay and the thermal field.It can be easily realized with present cavity QED techniques.
We propose an explicit scheme for splitting up quantum information into parts using five-atom cluster states in cavity quantum electrodynamics (QED). It is found that the quantum information splitting of an arbitrary two-atomic state can be realized by using the five-atom cluster state. During the process, the cavity fields are excited only virtually. The scheme is insensitive to cavity decay. Therefore, the scheme can be experimentally realized using a range of current cavity QED techniques. The schemes considered here are also secure against certain eavesdropping attacks.
In this paper, we propose a scheme of quantum information splitting arbitrary three-qubit state by using seven-qubit entangled as quantum channel. The sender Alice first performs Bell-state measurements (BSMs) on her qubits pairs respectively and tells her measurement outcome to authorizers Bob to reconstruct the original state, then Charlie should carries out single-qubit measurement (SQM) on his qubits. According to the results from Alice and Charlie, Bob can reconstruct the original state by applying an appropriate unitary operation. After analyzing, the method achieved the desired effect of quantum information splitting (QIS). We also realize the QIS of arbitrary three-qubit state in cavity quantum electrodynamics (QED).