Superadditivity in capacity of quantum channel for q-ary linearly dependent real symmetric-state signals

Physics Letters, Section A: General, Atomic and Solid State Physics

Volumn 305, Issue 3-4, 2002, Pages 125-134

  Usuda, Tsuyoshi Sasaki ^a,b   Usami, Shogo ^c   Takumi, Ichi ^c   Hata, Masayasu ^d  

^a AICHI PREFECTURAL UNIVERSITY   (Japan)

^b JAPAN SCIENCE AND TECHNOLOGY AGENCY   (Japan)

^c NAGOYA INSTITUTE OF TECHNOLOGY   (Japan)

^d CHUBU UNIVERSITY   (Japan)

Author keywords

Mutual information; Quantum channel capacity; Square root measurement; Superadditivity

Indexed keywords

COMMUNICATION CHANNELS (INFORMATION THEORY); QUANTUM CHANNEL; QUANTUM COMMUNICATION; QUANTUM ENTANGLEMENT;

ANALYTICAL EXPRESSIONS; CODEWORD LENGTH; CYCLIC CODE; MUTUAL INFORMATIONS; SQUARE-ROOT MEASUREMENT; SUPERADDITIVITY; SYMMETRIC STATE;

CHANNEL CAPACITY;

ARTICLE; CALCULATION; INFORMATION PROCESSING; LINEAR SYSTEM; QUANTUM MECHANICS; SIGNAL PROCESSING;

EID: 0037010899     PISSN: 03759601     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0375-9601(02)01413-5     Document Type: Article

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