Visible compression of commuting mixed states - art. no. 022308

Authors
Dur, W Vidal, G Cirac, JI
Citation
W. Dur et al., Visible compression of commuting mixed states - art. no. 022308, PHYS REV A, 6402(2), 2001, pp. 2308
Citations number
15
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW A
ISSN journal
10502947 → ACNP
Volume
6402
Issue
2
Year of publication
2001
Database
ISI
SICI code
1050-2947(200108)6402:2<2308:VCOCMS>2.0.ZU;2-T
Abstract
We analyze the problem of quantum data compression of commuting density ope rators in the visible case. We show that the lower bound for the compressio n factor given by the Levitin-Holevo function is reached by providing an ex plicit protocol.