期刊
NANOPHOTONICS
卷 8, 期 11, 页码 1907-1943出版社
WALTER DE GRUYTER GMBH
DOI: 10.1515/nanoph-2019-0154
关键词
nitrogen-vacancy center; solid-state defect quantum bits; theory; density functional theory; electron-phonon coupling
资金
- National Excellence Program of Quantum-Coherent Materials Project (Hungarian NKFIH grant) [KKP129866]
- EU QuantERA Project [127889]
- EU H2020 Quantum Technology flagship project ASTERIQS [820394]
- National Quantum Technology Program [2017-1.2.1-NKP-2017-00001]
The nitrogen-vacancy (NV) center in diamond is a solid-state defect qubit with favorable coherence time up to room temperature, which could be harnessed in several quantum-enhanced sensor and quantum communication applications, and has a potential in quantum simulation and computing. The quantum control largely depends on the intricate details about the electronic structure and states of the NV center, the radiative and non-radiative rates between these states, and the coupling of these states to external spins, electric, magnetic, and strain fields, and temperature. This review shows how first-principles calculations contributed to understanding the properties of the NV center and briefly discusses the issues to be solved toward the full ab initio description of solid-state defect qubits.
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