Generating scalable entanglement of ultracold bosons in superlattices through resonant shaking
Generating scalable entanglement of ultracold bosons in superlattices through resonant shaking
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通过共振振动在超晶格中产生可扩展的超冷玻色子纠缠
DOI:
10.1103/physreva.97.063620
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发表时间:
2017-12
影响因子:
2.9
通讯作者:
Hu Zhong Kun
中科院分区:
文献类型:
--
作者:
Cao Lushuai;Deng Xing;Zhu Qian Ru;Xu Xiao Fan;Fang Xue Ting;Gao Xiang;Schmelcher Peter;Hu Zhong Kun
Based on a one-dimensional double-well superlattice with a unit filling of ultracold atoms per site, we propose a scheme to generate scalable entangled states in the superlattice through resonant lattice shakings. Our scheme utilizes periodic lattice modulations to entangle two atoms in each unit cell with respect to their orbital degree of freedom, and the complete atomic system in the superlattice becomes a cluster of bipartite entangled atom pairs. To demonstrate this we perform $ab \ initio$ quantum dynamical simulations using the Multi-Layer Multi-Configuration Time-Dependent Hartree Method for Bosons, which accounts for all correlations among the atoms. The proposed clusters of bipartite entanglements manifest as an essential resource for various quantum applications, such as measurement based quantum computation. The lattice shaking scheme to generate this cluster possesses advantages such as a high scalability, fast processing speed, rich controllability on the target entangled states, and accessibility with current experimental techniques.
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