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Preparing highly entangled states of nanodiamond rotation and NV center spin |
| Wen-Liang Li(李文亮)1,2 and Duan-Lu Zhou(周端陆)1,2,† |
1 Institute of Physics, Beijing National Laboratory for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100190, China;
2 School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China |
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Abstract A nanodiamond with an embedded nitrogen-vacancy (NV) center is one of the experimental systems that can be coherently manipulated within current technologies. Entanglement between NV center electron spin and mechanical rotation of the nanodiamond plays a fundamental role in building a quantum network connecting these microscopic and mesoscopic degrees of motions. Here we present a protocol to asymptotically prepare a highly entangled state of the total quantum angular momentum and electron spin by adiabatically boosting the external magnetic field.
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Received: 12 October 2023
Revised: 27 November 2023
Accepted manuscript online: 01 December 2023
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PACS:
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03.65.-w
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(Quantum mechanics)
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03.65.Ud
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(Entanglement and quantum nonlocality)
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03.65.Aa
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(Quantum systems with finite Hilbert space)
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| Fund: Project supported by the National Key Research and Development Program of China (Grant Nos. 2021YFA0718302 and 2021YFA1402104), the National Natural Science Foundation of China (Grant No. 12075310), and the Strategic Priority Research Program of Chinese Academy of Sciences (Grant No. XDB28000000). |
Corresponding Authors:
Duan-Lu Zhou
E-mail: zhoudl72@iphy.ac.cn
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Cite this article:
Wen-Liang Li(李文亮) and Duan-Lu Zhou(周端陆) Preparing highly entangled states of nanodiamond rotation and NV center spin 2024 Chin. Phys. B 33 020305
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