9804001v1

related topics
{states, state, optimal}
{measurement, state, measurements}
{information, entropy, channel}
{time, systems, information}
{let, theorem, proof}
{alice, bob, state}
{theory, mechanics, state}
{particle, mechanics, theory}
{phase, path, phys}
{observables, space, algebra}
{error, code, errors}
{bell, inequality, local}
{algorithm, log, probability}
{vol, operators, histories}
{equation, function, exp}

Optimal Cloning of Pure States

R. F. Werner

abstract: We construct the unique optimal quantum device for turning a finite number of d-level quantum systems in the same unknown pure state \sigma into M systems of the same kind, in an approximation of the M-fold tensor product of the state \sigma.

oai_identifier:
oai:arXiv.org:quant-ph/9804001
categories:
quant-ph
comments:
12 pages, plain TeX, no figs
doi:
10.1103/PhysRevA.58.1827
arxiv_id:
quant-ph/9804001
report_no:
TUBS/IMaPh-98-11
created:
1998-04-01

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