Counterexample to an additivity conjecture for output purity of quantum channels

Journal of Mathematical Physics

Volumn 43, Issue 9, 2002, Pages 4353-4357

  Werner, R F ^a   Holevo, A S ^b  

^a TECHNICAL UNIVERSITY OF BRAUNSCHWEIG   (Germany)

^b STEKLOV MATHEMATICAL INSTITUTE   (Russian Federation)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0035981725     PISSN: 00222488     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.1498491     Document Type: Article

References (5)

1. G.G. Amosov, A.S. Holevo, and R.F. Werner, Probl. Inf. Transm. 36, 25 (2000), math-ph/0003002.
2. C. King, "Maximization of capacity and p-norms for some product channels," quant-ph/0103086.
3. C. King, "Additivity for a class of unital qubit channels," quant-ph/0103156.
4. P.W. Shor, "Additivity of classical capacity of entanglement-breaking channels," quant-ph/0201149.
5. K.G.H. Vollbrecht and R.F. Werner, Phys. Rev. A 64, 062307 (2001), quant-ph/0010095.