0702033v1

related topics
{states, state, optimal}
{measurement, state, measurements}
{group, space, representation}
{information, entropy, channel}
{state, states, coherent}
{state, phys, rev}

Information-disturbance tradeoff in covariant quantum state estimation

Massimiliano F. Sacchi

abstract: 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.

oai_identifier:
oai:arXiv.org:quant-ph/0702033
categories:
quant-ph
comments:
4 pages; contribution for the proceedings of the QCMC06
arxiv_id:
quant-ph/0702033
journal_ref:
In Proceedings of the 8th Int. Conf. on Quantum Communication, Measurement and Computing, ed. by O. Hirota, J. H. Shapiro and M. Sasaki (NICT press, Japan, 2007), p. 331
created:
2007-02-05

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