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Without additional resources, it is often impossible to transform one entangled quantum state into another with local quantum operations and classical communication. Jonathan and Plenio (Phys. Rev. Le...
We consider a theoretical model for a nonlinear nanomechanical resonator coupled to a superconducting microwave resonator. The nanomechanical resonator is driven parametrically at twice its resonance ...
By using photon pairs created in parametric down conversion, we report on an experiment, which demonstrates that measurement can recover the quantum entanglement of two qubit system in a pure dephasi...
It has now been possible to prepare chain of ions in an entangled state and thus question arises — how the optical properties of a chain of entangled ions differ from say a chain of independent partic...
We investigate the basic theoretical issues in the quantum entanglement of particle pairs created from the vacuum in a time-dependent background field or spacetime. Similar to entropy generation from ...
We investigate the quantum entanglement-related features of the many-body model of Plastino and Moszkowski [N. Cimento 47 (1978) 470]. This is an exactly solvable N-body, SU2 two-level model exhibitin...
2007Vol.47No.6pp.1024-1028DOI: Two-Variable Hermite Function as Quantum Entanglement of Harmonic Oscillator's Wave Functions LU Hai-Liang and FAN Hong-Yi Department of P...
2006Vol.45No.6pp.1023-1025DOI: Scheme for Quantum Entanglement Swapping on Cavity QED System CHEN Chang-Yong1,2,3 and YU Yan4 1 Department of Physics and Information Eng...
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...
2005Vol.44No.3pp.445-450DOI: Role of Covariance Correlation Tensor in Establishment of Criterion of Quantum Entanglement QIAN Shang-Wu1 and GU Zhi-Yu2 1 Physics Departme...
2003Vol.39No.1pp.15-20DOI: Criterion of Quantum Entanglement and the Covariance Correlation Tensor in the Theory of Quantum Network QIAN Shang-Wu1 and GU Zhi-Yu2 1 Physi...
We construct a Universal Quantum Entanglement Concentration Gate (QEC-Gate). Special times operations of QECGate can transform a pure 2-level bipartite entangled state to nearly maximum entanglement. ...

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