On quantum coding for ensembles of mixed states

Details On quantum coding for ensembles of mixed states On quantum coding for ensembles of mixed states

Publishing date

2000-08-04

URL

arxiv.org/abs/quant-ph/0008024v1

Science

Physics

Field

Quantum Physics

Additional info

23 pages, LaTeX

Type

Scientific paper

Digital Object Identifier

10.1088/0305-4470/34/35/304

Abstract

We consider the problem of optimal asymptotically faithful compression for
ensembles of mixed quantum states. Although the optimal rate is unknown, we
prove upper and lower bounds and describe a series of illustrative examples of
compression of mixed states. We also discuss a classical analogue of the
problem.

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