代表论文

Engineering two-mode continuous-variable entangled states of distant atomic spin ensembles with superconducting quantum circuits




作者: Peng-Bo Li, Shao-Yan Gao, and Fu-Li Li
发表/完成日期: 2012-01-30
期刊名称: Phys. Rev. A
期卷: 85
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论文简介
We present an experimental feasible scheme to generate two-mode entangled states of two spatially separated atomic spin ensembles, using superconducting quantum circuits consisting of two coplanar waveguide resonators and a charge qubit. We show that, with the charge qubit as a tunable coupler and the resonator modes as a quantum bus, the collective atomic spins can be steered into a two-mode squeezed state exhibiting Einstein-Podolsky-Rosen entanglement through adiabatic following of the ground state of the system.