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arxiv: 0804.2691 · v1 · submitted 2008-04-16 · 🪐 quant-ph

Optimal Dynamical Decoherence Control of a Qubit

classification 🪐 quant-ph
keywords controldecoherencedephasingdynamicaloptimalqubitaveragedeveloped
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A theory of dynamical control by modulation for optimal decoherence reduction is developed. It is based on the non-Markovian Euler-Lagrange equation for the energy-constrained field that minimizes the average dephasing rate of a qubit for any given dephasing spectrum.

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