A method for simulating level anti-crossing spectra of diamond crystals containing NV color centers
arXiv:1812.00159 · doi:10.1016/j.jmr.2019.06.002
Abstract
We propose an efficient method for calculating level anti-crossing spectra (LAC spectra) of interacting paramagnetic defect centers in crystals. By LAC spectra we mean the magnetic field dependence of the photoluminescence intensity of paramagnetic color centers: such field dependences often exhibit sharp features, such as peaks or dips, originating from LACs in the spin system. Our approach takes into account the electronic Zeeman interaction with the external magnetic field, dipole-dipole interaction of paramagnetic centers, hyperfine coupling of paramagnetic defects to magnetic nuclei and zero-field splitting. By using this method, we can not only obtain the positions of lines in LAC spectra, but also reproduce their shapes as well as the relative amplitudes of different lines. As a striking example, we present a calculation of LAC spectra in diamond crystals containing negatively charged NV centers.
arXiv comment12 pages, 10 figures
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Cited by in corpus (4)
- Photoluminescence at the ground state level anticrossing of the nitrogen-vacancy center in diamond
- Longitudinal spin relaxation model applied to point defect qubit systems
- Level-crossing induced spin phenomena in SiC: a theoretical study
- All-Optical Photoluminescence Response of Nitrogen-Vacancy Ensembles in Diamond at Low Magnetic Fields