Information-disturbance tradeoff in covariant quantum state estimation

Details Information-disturbance tradeoff in covariant quantum state estimation Information-disturbance tradeoff in covariant quantum state estimation

2007-02-05

arxiv.org/abs/quant-ph/0702033v1

In Proceedings of the 8th Int. Conf. on Quantum Communication, Measurement and Computing, ed. by O. Hirota, J. H. Shapiro and

Physics

Quantum Physics

4 pages; contribution for the proceedings of the QCMC06

Scientific paper

We provide a general framework for quantifying the optimal tradeoff between
the information retrieved by a quantum measurement and the disturbance on the
quantum state in covariant quantum state estimation.

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