Imperfection effects for multiple applications of the quantum wavelet transform

Details Imperfection effects for multiple applications of the quantum wavelet transform Imperfection effects for multiple applications of the quantum wavelet transform

2003-03-09

arxiv.org/abs/quant-ph/0303043v1

Phys. Rev. Lett. v.90 (2003) p.257902

Physics

Quantum Physics

revtex, 11 pages, 13 figures, research at Quantware MIPS Center http://www.quantware.ups-tlse.fr

Scientific paper

10.1103/PhysRevLett.90.257902

We study analytically and numerically the effects of various imperfections in a quantum computation of a simple dynamical model based on the Quantum Wavelet Transform (QWT). The results for fidelity timescales, obtained for a large range of error amplitudes and number of qubits, imply that for static imperfections the threshold for fault-tolerant quantum computation is decreased by a few orders of magnitude compared to the case of random errors.

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