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Scalable error characterization in quantum information processing


Abstract:

We will introduce the problem of scalable error characterization, and the use of the fidelity decay as a tool to characterize these errors efficiently.  We will concentrate then on our scheme to analyze spatial correlations (also termed range or locality, and relevant to evaluate fault-tolerance) and its experimental implementation in liquid state NMR QIP (quant-ph/0805.4825).  We will discuss the practical aspects regarding scalability, accuracy and implementation errors.