期刊
PHYSICAL REVIEW A
卷 79, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.79.042328
关键词
information retrieval; nuclear magnetic resonance; protocols; quantum computing
We present a protocol for error characterization and its experimental implementation with four qubits in liquid state NMR. The method is designed to retrieve information about spatial correlations and scales as O(n(w)), where w is the maximum number of qubits that have non-negligible interaction. We discuss the practical aspects regarding accuracy and implementation.
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