Quantum Limits of Measurement and Computing Induced by Conservation Laws and Uncertainty Relations

Details Quantum Limits of Measurement and Computing Induced by Conservation Laws and Uncertainty Relations Quantum Limits of Measurement and Computing Induced by Conservation Laws and Uncertainty Relations

2002-10-08

arxiv.org/abs/quant-ph/0210046v1

in Proceedings of the Sixth International Conference on Quantum Communication, Measurement and Computing, edited by J. H. Shap

Physics

Quantum Physics

6 pages, LaTeX

Scientific paper

A quantitative extension of the Wigner-Araki-Yanase theorem is obtained on
the limitation on precise, non-disturbing measurements of observables which do
not commute with additive conserved quantities, and applied to obtaining a
limitation on the accuracy of quantum computing with computational bases which
do not commute with angular momentum.

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