Introduction
Bimonthly, started in 1957
Administrator
Shanxi Provincial Education Department
Sponsor
Taiyuan University of Technology
Publisher
Ed. Office of Journal of TYUT
Editor-in-Chief
SUN Hongbin
ISSN: 1007-9432
CN: 14-1220/N
Administrator
Shanxi Provincial Education Department
Sponsor
Taiyuan University of Technology
Publisher
Ed. Office of Journal of TYUT
Editor-in-Chief
SUN Hongbin
ISSN: 1007-9432
CN: 14-1220/N
location: home > paper >
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Characterizing Operator Sum Representation of Discord Annihilating Quantum Channels
DOI:
10.16355/j.cnki.issn1007-9432tyut.2017.01.022
Received:
Accepted:
| Corresponding author | Institute | |
| WANG Li | College of Mathematics, Taiyuan University of Technology |
abstract:
In the note, we give a characterization of operator sum representation of discord an- nihilating channels. Furthermore, we prove that a quantum channel Φ is discord-annihilating if and only if ΦId maps the maximum entangled state to a state with zero discord.
Keywords:
Quantum discord; discord annihilating channels; quantum entanglement