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2002 J. Opt. B: Quantum Semiclass. Opt. 4 256-259 doi: 10.1088/1464-4266/4/5/305
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Abstract. We propose a scheme for protecting one-qubit information against one erasure. The scheme operates essentially by distributing quantum information over four qubits. Two versions of the method are considered: one of them is based on two spatially separated pairs of qubits, and the other is based on one pair of qubits and two spatially separated qubits.
Keywords: Qubit, erasure error, collective decoherence, CNOT operation
Print publication: Issue 5 (October 2002) |
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