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Time Resolved Collective Entanglement Dynamics in Cavity Quantum Electrodynamics

ycliu1989 添加于 2012-2-26 00:01 | 1598 次阅读 | 0 个评论

作者
Mlynek JA, Abdufarrukh A. Abdumalikov Jr., Fink JM, Steffen L, Baur M, Lang C, Loo AF van, Wallraff A
摘要
Nonlinearity and entanglement are two important indications by which physical systems can be identified as non-classical. We study the dynamics of the resonant interaction of up to N=3 two-level systems and a single mode of the electromagnetic field. We focus on a single excitation dynamically shared in this fourpartite system. We observe coherent vacuum Rabi oscillations and their nonlinear square root N speed-up in frequency by tracking the populations of all three qubits and the resonator. We use full quantum state tomography to verify that the dynamics generates a maximally entangled 3-qubit W-state when the cavity returns to the vacuum state.
详细资料
- 关键词: quant-ph; cond-mat.supr-con
- 文献种类:手稿
- 期卷页: 2012年
- 日期: 2012-2-23
- 发布方式: arXiv e-prints
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