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Entangled states from simple quantum graphs
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AI
DOI：10.1088/1751-8121/ae1270.png)
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摘要
En 中文
Entanglement is a fundamental resource for many applications in quantum information processing. Here, we investigate how quantum transport in simple quantum graphs (QGs), modeled as controlled two-level quantum systems, can be utilized to generate entangled states through coherent control operations between two simple QGs. A controlled operation is defined such that the scattering behavior of one QG dynamically modifies the other. Our analysis reveals the precise conditions under which maximal entanglement or separability arises, including configurations that can be implemented via phase shifts in graph structures. Our findings demonstrate that the maximal entanglement in this system is closely related to recent results on randomized QGs. These results provide new pathways for engineering entanglement using simple QGs and suggest experimental feasibility using microwave networks.
Keyword:
entangled
quantum
graphs
scattering
entanglement
controlled scattering
期刊
J
IF:
2.1
论文数:
264
被引数:
0
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