Excited states of the negatively charged nitrogen-vacancy color center in diamond

被引：111

作者：

Ma, Yuchen ^{[1
]}

Rohlfing, Michael ^{[1
]}

Gali, Adam ^{[2
]}

机构：

[1] Univ Osnabruck, Fachbereich Phys, D-49069 Osnabruck, Germany

[2] Budapest Univ Technol & Econ, Dept Atom Phys, H-1111 Budapest, Hungary

来源：

PHYSICAL REVIEW B | 2010年 / 81卷 / 04期

关键词：

NUCLEAR-SPIN QUBITS; ELECTRONIC-STRUCTURE; COHERENT DYNAMICS; EXCITATIONS; DEFECT; BAND;

D O I：

10.1103/PhysRevB.81.041204

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Excited states of the negatively charged nitrogen-vacancy color center in diamond are studied using ab initio many-body perturbation theory (within GW approximation and Bethe-Salpeter equation), including electronic exchange, correlation, and electron-hole interaction effects. We find that three singlets, one of which exhibits an intersystem crossing with the excited triplet, may be relevant for the fluorescence process in a way which has never been considered before. The calculated zero-phonon line for the visible excitation and that for the transition among the singlets are in good agreement with the experiments.

引用

页数：4

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