Stochastic Noise as a Source of Decoherence in a Solid State Quantum Computer

Details Stochastic Noise as a Source of Decoherence in a Solid State Quantum Computer Stochastic Noise as a Source of Decoherence in a Solid State Quantum Computer

2001-04-11

arxiv.org/abs/quant-ph/0104055v1

Physics

Quantum Physics

Scientific paper

We examine a stochastic noise process that has a decohering effect on the average evolution of qubits in the quantum register of the solid state quantum computer proposed by Kane. We consider the effects of this process on the single qubit operations necessary to perform quantum logical gates and derive an expression for the fidelity of these gates in this system. We then calculate an upper bound on the level of this stochastic noise tolerable in a workable quantum computer.

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