Dynamics of the Measurement of Nuclear Spins in a Solid-State Quantum Computer
Gennady P. Berman, David K. Campbell, Gary D. Doolen, Kirill E. Nagaev
Abstract
We study numerically the process of nuclear spin measurement in a solid-state quantum computer of the type proposed by Kane by modeling the quantum dynamics of two coupled nuclear spins on 31P donors implanted in silicon. We estimate the minimum measurement time necessary for the reliable transfer of quantum information from the nuclear spin subsystem to the electronic subsystem. We also calculate the probability of error for typical values of the external noise.
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