Nuclear magnetic resonance spectrum of 31P donors in silicon quantum computer
A. A. Larionov, L. E. Fedichkin, A. A. Kokin, K. A. Valiev
Abstract
The influence of the electric field created by a gate potential of the silicon quantum computer on the hyperfine interaction constant (HIC) is obtained. The errors due to technological inaccuracy of location of donor atoms under a gate are evaluated. The energy spectra of electron-nuclear spin system of two interacting donor atoms with various values of HIC are calculated. The presence of two pairs of anticrossing levels in the ground electronic state is shown. Parameters of the structure at which errors rate can be greatly minimized are found.
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