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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Error Exponents and Rényi Information Divergence in Quantum Information
量子信息 误差指数 仁义信息发散
2023/4/28
In quantum information theory, the error exponents characterize the best rate of exponential convergence of the error towards 0 or 1, as the number of copies of the underlying resources increases. In ...
Donuts,math,and superdense teleportation of quantum information
Donuts math superdense teleportation quantum information
2015/6/18
Putting a hole in the center of the donut—a mid-nineteenth-century invention—allows the deep-fried pastry to cook evenly, inside and out. As it turns out, the hole in the center of the donut also hold...
Quantum information transfer with nitrogen-vacancy centers coupled to a whispering-gallery microresonator
Quantum information transfer nitrogen-vacancy centers coupled whispering-gallery microresonator
2010/11/9
We propose an efficient scheme for the realization of quantum information transfer and entanglement with nitrogen-vacancy (NV) centers coupled to a high-Q microspherical resonator. We show that, base...
Comparing globalness of bipartite unitary operations acting on quantum information: delocalization power, entanglement cost, and entangling power
Comparing globalness bipartite unitary operations acting quantum information delocalization power entanglement cost entangling power
2010/11/8
We compare three different characterizations of the globalness of bipartite unitary operations based on different tasks, namely, delocalization power, entanglement cost for LOCC implementation, and e...
Two-spinors, oscillator algebras, and qubits: Aspects of manifestly covariant approach to relativistic quantum information
Two-spinors SL(2,C) qubits quantization
2010/3/10
The first part of the paper reviews applications of 2-spinor methods to relativistic qubits (analogies between tetrads in Minkowski space and 2-qubit states, qubits defined by means of null directions...
Ultra cold atoms help share quantum information（图）
atoms quantum information quantum mechanics
2009/6/3
Scientists in the US have demonstrated a new way of transmitting quantum information by using classical communication channels. Michal Bajcsy at Harvard University and colleagues have used an optical ...
Efficient Scheme for Entanglement and Quantum Information Processing with Two Superconducting Quantum-Interference
Devices in Cavity QED
entanglement superconducting cavity
2007/8/15
2007Vol.47No.4pp.722-724DOI:
Efficient Scheme for Entanglement and Quantum Information Processing with Two Superconducting Quantum-Interference
Devices in Cavity QED
ZHAN Zhi-Ming...
Quantum Information and Entropy Squeezing of a Nonlinear
Multiquantum JC Model
information entropy variance squeezing nonlinear mediums
2007/8/15
2002Vol.37No.6pp.723-732DOI:
Quantum Information and Entropy Squeezing of a Nonlinear
Multiquantum JC Model
Mahmoud Abdel-Aty
Mathematics Department, Faculty of Science,...
Many-Agent Controlled Teleportation of Multi-qubit Quantum
Information via Quantum Entanglement Swapping
quantum teleportation quantum information quantum entanglement swapping
2007/8/15
2005Vol.44No.5pp.847-850DOI:
Many-Agent Controlled Teleportation of Multi-qubit Quantum
Information via Quantum Entanglement Swapping
ZHANG Zhan-Jun,1,3 LIU Yi-Min,2 and MAN Zhong...
Quantum Information Entropies for the Morse Potential
Information entropy BBM inequality Morse potential
2010/4/9
Quantum information entropies for the one dimensional Morse potential are discussed in position and momentum space. These entropies for different strengths of the potential well are numerically obtain...
Quantum Information Processing through Nuclear Magnetic Resonance
Quantum Information Processing Nuclear Magnetic Resonance
2010/10/14
We discuss the applications of Nuclear Magnetic Resonance (NMR) to quantum information processing, focusing on the use of quadrupole nuclei for quantum computing. Various examples of experimental impl...