Title :
A functional interpretation of continuous variable quantum discord
Author :
Assad, Syed ; Chrzanowski, Helen ; Symul, Thomas ; Lam, Ping Koy ; Ralph, Tim ; Gu, Mile ; Vedral, Vlatko
Author_Institution :
Dept. of Quantum Sci., Australian Nat. Univ., Canberra, ACT, Australia
fDate :
Aug. 28 2011-Sept. 1 2011
Abstract :
We show that quantum discord can quantify the information advantage of a quantum processing over an optimal classical processing. We experimentally extract a lower bound on the quantum discord of a non-entangled continuous-variable quantum system.
Keywords :
information theory; quantum optics; quantum theory; continuous variable quantum discord; nonentangled continuous variable quantum system; optimal classical processing; quantum processing; Correlation; Data mining; Entropy; Mutual information; Quantum computing; Quantum entanglement;
Conference_Titel :
Quantum Electronics Conference & Lasers and Electro-Optics (CLEO/IQEC/PACIFIC RIM), 2011
Conference_Location :
Sydney, NSW
Print_ISBN :
978-1-4577-1939-4
DOI :
10.1109/IQEC-CLEO.2011.6194178
