Perturbation Theory for Quantum Computation with Large Number of Qubits

Details Perturbation Theory for Quantum Computation with Large Number of Qubits Perturbation Theory for Quantum Computation with Large Number of Qubits

2001-04-04

arxiv.org/abs/quant-ph/0104025v1

Physics

Quantum Physics

8 pages RevTex including 2 figures

Scientific paper

10.1103/PhysRevA.65.012321

We describe a new and consistent perturbation theory for solid-state quantum computation with many qubits. The errors in the implementation of simple quantum logic operations caused by non-resonant transitions are estimated. We verify our perturbation approach using exact numerical solution for relatively small (L=10) number of qubits. A preferred range of parameters is found in which the errors in processing quantum information are small. Our results are needed for experimental testing of scalable solid-state quantum computers.

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