Spin transport and quasi 2D architectures for donor-based quantum computing

Details Spin transport and quasi 2D architectures for donor-based quantum computing Spin transport and quasi 2D architectures for donor-based quantum computing

2005-06-23

arxiv.org/abs/quant-ph/0506198v2

Physical Review B 74, 045311 (2006)

Physics

Quantum Physics

4 pages, 5 figures, v2 reference added

Scientific paper

10.1103/PhysRevB.74.045311

Through the introduction of a new electron spin transport mechanism, a 2D donor electron spin quantum computer architecture is proposed. This design addresses major technical issues in the original Kane design, including spatial oscillations in the exchange coupling strength and cross-talk in gate control. It is also expected that the introduction of a degree of non-locality in qubit gates will significantly improve the scaling fault-tolerant threshold over the nearest-neighbour linear array.

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