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Quantum Discord as Optimal Resource for Quantum Communication

Borivoje Daki, Yannick Ole Lipp, Xiao‐Song Ma, Martin Ringbauer, Sebastian Kropatschek, Stefanie Barz, Tomasz Paterek, Vlatko Vedral, Anton Zeilinger, Časlav Brukner, Philip John Walther

Published Mar 7, 2012• 8 citations

Abstract

Borivoje Dakic1†, Yannick Ole Lipp1†, Xiaosong Ma2,3†, Martin Ringbauer1†, Sebastian Kropatschek3, Stefanie Barz2, Tomasz Paterek4, Vlatko Vedral4,5, Anton Zeilinger2,3, Caslav Brukner1,3 & Philip Walther1,3 1 Faculty of Physics, University of Vienna, Boltzmanngasse 5, A-1090 Vienna, Austria. 2 Vienna Center for Quantum Science and Technology, Faculty of Physics, University of Vienna, Boltzmanngasse 5, A-1090 Vienna, Austria. 3 Institute for Quantum Optics and Quantum Information, Austrian Academy of Sciences, Boltzmanngasse 3, A-1090 Vienna, Austria. 4 Centre for Quantum Technologies, National University of Singapore, Block S15, 3 Science Drive 2, 117543 Singapore. 5 Department of Atomic and Laser Physics, University of Oxford, Oxford OX1 3PU, UK. † These authors contributed equally to this work (listed alphabetically). (Dated: March 9, 2012)

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Borivoje Dakic1†, Yannick Ole Lipp1†, Xiaosong Ma2,3†, Martin Ringbauer1†, Sebastian Kropatschek3, Stefanie Barz2, Tomasz Paterek4, Vlatko Vedral4,5, Anton Zeilinger2,3, Caslav Brukner1,3 & Philip Walther1,3 1 Faculty of Physics, University of Vienna, Boltzmanngasse 5, A-1090 Vienna, Austria. 2 Vienna Center for Quantum Science and Technology, Faculty of Physics, University of Vienna, Boltzmanngasse 5, A-1090 Vienna, Austria. 3 Institute for Quantum Optics and Quantum Information, Austrian Academy of Sciences, Boltzmanngasse 3, A-1090 Vienna, Austria. 4 Centre for Quantum Technologies, National University of Singapore, Block S15, 3 Science Drive 2, 117543 Singapore. 5 Department of Atomic and Laser Physics, University of Oxford, Oxford OX1 3PU, UK. † These authors contributed equally to this work (listed alphabetically). (Dated: March 9, 2012)

Hong-Yi Su, Jing-Ling Chen∗,1, 2 Fu-Lin Zhang †,3 Chunfeng Wu, Zhen-Peng Xu, Mile Gu, Sai Vinjanampathy, and L. C. Kwek 5 Theoretical Physics Division, Chern Institute of Mathematics, Nankai University, Tianjin 300071, People’s Republic of China Centre for Quantum Technologies, National University of Singapore, 3 Science Drive 2, Singapore 117543 Physics Department, School of Science, Tianjin University, Tianjin 300072, China Pillar of Engineering Product Development, Singapore University of Technology and Design, 20 Dover Drive, Singapore 138682 National Institute of Education and Institute of Advanced Studies, Nanyang Technological University, 1 Nanyang Walk, Singapore 637616 (Dated: January 13, 2015)