Vortex–photon–spin tripartite entanglement in a hybrid quantum system

Vortex–photon–spin tripartite entanglement in a hybrid quantum system
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混合量子系统中的涡旋-光子-自旋三方纠缠

DOI:
10.1007/s11128-021-03305-8
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发表时间:
2021-11
影响因子:
2.5
通讯作者:
Peng-Bo Li
Peng-Bo Li
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Bo-Long Wang;Xin-Lei Hei;Xing-Liang Dong;Jia-Qiang Chen;Yi-Fan Qiao;Peng-Bo Li

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我们提出了一种实验上可行的方案,用于在混合量子系统中产生真正的三方纠缠,该系统由拓扑保护的类粒子激发(磁涡旋)、腔微波光子和固态自旋(金刚石中的 NV 中心)组成。磁涡旋和固态自旋通过磁偶极子相互作用同时耦合到微波腔光子。通过在适当的参数范围下对集体自旋引入微波调制,我们发现系统的稳态是真正的三方纠缠态,其中涡旋、腔光子和自旋彼此纠缠。分析了引入的调制对产生的纠缠的影响,我们还表明纠缠对于耗散具有鲁棒性。这项工作可能为研究宏观量子效应和涡旋-光子-自旋系统的量子信息处理提供一个有前途的平台。
We propose an experimentally feasible scheme for generating genuinely tripartite entanglement in a hybrid quantum system which consists of topologically protected particle-like excitations (magnetic vortices), cavity microwave photons, and solid-state spins (NV centers in diamond). The magnetic vortices and solid-state spins are simultaneously coupled to the microwave cavity photons via magnetic dipole interaction. By introducing a microwave modulation to the collective spins and under appropriate parameter regimes, we find that the steady state of the system is a genuinely tripartite entangled state where vortices, cavity photons, and spins are entangled with each other. The effect of the introduced modulation on the produced entanglement is analyzed, and we also show that the entanglement is robust against dissipation. This work may offer a promising platform for studying macroscopic quantum effects and quantum information processing with the vortex–photon–spin system.
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