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Название: Non-flipping 13C spins near an NV center in diamond: hyperfine and spatial characteristics by density functional theory simulation of the C510[NV]H252 cluster
Авторы: Nizovtsev, A. P.
Kilin, S. Ya.
Pushkarchuk, A. L.
Pushkarchuk, V. A.
Kuten, S. A.
Zhikol, O. A.
Schmitt, S.
Unden, T.
Jelezko, F.
Пушкарчук, В. А.
Ключевые слова: публикации ученых
NV centers
diamond
density functional theory
DFT
Дата публикации: 2018
Издательство: IOP Publishing, Germany
Библиографическое описание: Non-flipping 13C spins near an NV center in diamond: hyperfine and spatial characteristics by density functional theory simulation of the C510[NV]H252 cluster / A. P. Nizovtsev and other // Cornell University, 2018. - 20 023022 рр. - arXiv:1709.07305. - DOI: 10.1088/1367-2630/aaa910.
Краткий осмотр (реферат): Single NV centers in diamond coupled by hyperfine interaction (hfi) to neighboring 13C nuclear spins are now widely used in emerging quantum technologies as elements of quantum memory adjusted to a nitrogen-vacancy (NV) center electron spin qubit. For nuclear spins with low flip-flop rate, single shot readout was demonstrated under ambient conditions. Here we report on a systematic search for such stable NV − 13C systems using density functional theory to simulate the hfi and spatial characteristics of all possible NV − 13C complexes in the H-terminated cluster C510[NV]-H252 hosting the NV center. Along with the expected stable ‘NV-axial−13 C’ systems wherein the 13C nuclear spin is located on the NV axis, we found for the first time new families of positions for the 13C nuclear spin exhibiting negligible hfi-induced flipping rates due to near-symmetric local spin density distribution.Spatially, these positions are located in the diamond bilayer passing through the vacancy of the NV center and being perpendicular to the NV axis. Analysis of available publications showed that, apparently, some of the predicted non-axial near-stable NV − 13C systems have already been observed experimentally. Aspecial experiment performed on one of these systems confirmed the prediction made.
URI (Унифицированный идентификатор ресурса): https://libeldoc.bsuir.by/handle/123456789/34085
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