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8 papers · 1 filter
Steady-State Entanglement for Distant Atoms by Dissipation in Coupled Cavities
Li-Tuo Shen, Xin-Yu Chen, Zhen-Biao Yang +2
We propose a scheme for the generation of entangled states for two atoms trapped in separate cavities coupled to each other. The scheme is based on the competition between the unit…
Atomic quantum state transferring and swapping via quantum Zeno dynamics
Zhi-Cheng Shi, Yan Xia, Jie Song
In this paper, we first demonstrate how to realize quantum state transferring (QST) from one atom to another based on quantum Zeno dynamics. Then, the QST protocol is generalized t…
Controllable operation for distant qubits in a two-dimensional quantum network
Z. -R. Zhong, X. Lin, B. Zhang +1
We propose a theoretical scheme to realize the coherent coupling of multiple atoms in a quantum network which is composed of a two-dimensional (2D) array of coupled cavities. In th…
Some unsolved problems on cycles
Chunhui Lai, Mingjing Liu
Hajos' conjecture that every simple even graph on vertices can be decomposed into at most cycles (see L. Lovasz, On covering of graphs, in: P. Erdos, G.O.H. Katona (E…
Distributed phase-covariant cloning with atomic ensembles via quantum Zeno dynamics
Li-Tuo Shen, Huai-Zhi Wu, Zhen-Biao Yang
We propose an interesting scheme for distributed orbital state quantum cloning with atomic ensembles based on the quantum Zeno dynamics. These atomic ensembles which consist of ide…
The effect of discrete breathers on heat conduction in nonlinear chains
Daxing Xiong, Jiao Wang, Yong Zhang +1
Intensive studies in the past decades have suggested that the heat conductivity diverges with the system size as in one dimensional momentum conserving nonlinea…