Broadband noise decoherence in solid-state complex architectures

Details Broadband noise decoherence in solid-state complex architectures Broadband noise decoherence in solid-state complex architectures

2010-01-26

arxiv.org/abs/1001.4736v1

Phys. Scr. T137, 014017 (2009)

Physics

Condensed Matter

Statistical Mechanics

Proceedings of Nobel Symposium 141: Qubits for Future Quantum Information

Scientific paper

10.1088/0031-8949/2009/T137/0140

Broadband noise represents a severe limitation towards the implementation of a solid-state quantum information processor. Considering common spectral forms, we propose a classification of noise sources based on the effects produced instead of on their microscopic origin. We illustrate a multi-stage approach to broadband noise which systematically includes only the relevant information on the environment, out of the huge parametrization needed for a microscopic description. We apply this technique to a solid-state two-qubit gate in a fixed coupling implementation scheme.

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