ENSEMBLE-DEPENDENT BOUNDS FOR ACCESSIBLE INFORMATION IN QUANTUM-MECHANICS

Authors
FUCHS CA CAVES CM
Citation
Ca. Fuchs et Cm. Caves, ENSEMBLE-DEPENDENT BOUNDS FOR ACCESSIBLE INFORMATION IN QUANTUM-MECHANICS, Physical review letters, 73(23), 1994, pp. 3047-3050
Citations number
11
Categorie Soggetti
Physics
Journal title
Physical review letters → ACNP
ISSN journal
00319007
Volume
73
Issue
23
Year of publication
1994
Pages
3047 - 3050
Database
ISI
SICI code
0031-9007(1994)73:23<3047:EBFAII>2.0.ZU;2-6
Abstract
We simplify the derivation of the Holevo upper bound on the maximum in formation extractable from a quantum communication channel. This simpl ification leads to upper and lower bounds for binary channels, both of which depend explicitly on the message ensemble.