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Quantum phase with no translational symmetry and its potentiality for quantum communication
Quantum phase symmetry quantum communication
2010/4/16
By the method of terahertz photo-voltaic spectroscopy we have found a quantum phase that possesses neither continuous nor discrete translational symmetry. The phase is originated from quantum Hall sta...
The role of chaos in quantum communication through a dynamical dephasing channel
quantum communication dynamical dephasing channel
2010/4/6
In this article we treat the subject of chaotic environments with few degrees of freedom in quantum communication by investigating a conservative dynamical map as a model of a dephasing quantum channe...
Trading classical communication, quantum communication, and entanglement in quantum Shannon theory
Trading classical communication quantum communication quantum Shannon theory
2010/4/9
We give optimal trade-offs between classical communication, quantum communication, and entanglement for processing information in the Shannon-theoretic setting. We first prove a "unit-resource" capaci...
A New Quantum Communication Scheme by Using Bell States
quantum key distribution quantum secure direct communication Bell-state
measurements security
2007/8/15
2006Vol.45No.2pp.271-274DOI:
A New Quantum Communication Scheme by Using Bell States
CAO Hai-Jing, CHEN Jing, and SONG He-Shan
Department of Physics, Dalian University o...
No-relationship Between Impossibility of Faster-Than-Light Quantum Communication and Distinction of Ensembles with the Same Density Matrix
faster-than-light communication distinction of ensembles density matrix
2007/8/15
2005Vol.44No.4pp.622-624DOI:
No-relationship Between Impossibility of Faster-Than-Light Quantum Communication and Distinction of Ensembles with the Same Density Matrix
WANG Chuan,...