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Purification of Logic-Qubit Entanglement
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AbstractRecently, the logic-qubit entanglement shows its potential application in future quantum communication and quantum network. However, the entanglement will suffer from the noise and decoherence. In this paper, we will investigate the first entanglement purification protocol for logic-qubit entanglement. We show that both the bit-flip error and phase-flip error in logic-qubit entanglement can be well purified. Moreover, the bit-flip error in physical-qubit entanglement can be completely corrected. The phase-flip in physical-qubit entanglement error equals to the bit-flip error in logic-qubit entanglement, which can also be purified. This entanglement purification protocol may provide some potential applications in future quantum communication and quantum network.
Title: Purification of Logic-Qubit Entanglement
Description:
AbstractRecently, the logic-qubit entanglement shows its potential application in future quantum communication and quantum network.
However, the entanglement will suffer from the noise and decoherence.
In this paper, we will investigate the first entanglement purification protocol for logic-qubit entanglement.
We show that both the bit-flip error and phase-flip error in logic-qubit entanglement can be well purified.
Moreover, the bit-flip error in physical-qubit entanglement can be completely corrected.
The phase-flip in physical-qubit entanglement error equals to the bit-flip error in logic-qubit entanglement, which can also be purified.
This entanglement purification protocol may provide some potential applications in future quantum communication and quantum network.
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