Dynamical Imperfections in quantum computers

Details Dynamical Imperfections in quantum computers Dynamical Imperfections in quantum computers

2004-07-14

arxiv.org/abs/quant-ph/0407098v1

Phys. Rev. A 71 (2005) 060306(R)

Physics

Quantum Physics

4 pages, 3 figures

Scientific paper

10.1103/PhysRevA.71.060306

We study the effects of dynamical imperfections in quantum computers. By considering an explicit example, we identify different regimes ranging from the low-frequency case, where the imperfections can be considered as static but with renormalized parameters, to the high frequency fluctuations, where the effects of imperfections are completely wiped out. We generalize our results by proving a theorem on the dynamical evolution of a system in the presence of dynamical perturbations.

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