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Related papers: \emph{Ab initio} study of (100) diamond surface sp…

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Isolated nuclear spins offer a promising building block for quantum information processing systems, but their weak interactions often impede preparation, control, and detection. Hyperfine coupling to a proximal electronic spin can enhance…

Quantum Physics · Physics 2013-05-29 Benjamin Smeltzer , Jean McIntyre , Lilian Childress

We theoretically study the decoherence and the dynamical decoupling control of nitrogen-vacancy center electron spins in high-purity diamond, where the hyperfine interaction with $^{13}$C nuclear spins is the dominating decoherence…

Mesoscale and Nanoscale Physics · Physics 2015-03-19 Nan Zhao , Sai-Wah Ho , Ren-Bao Liu

Nuclear spins in the proximity of electronic spin defects in solids are promising platforms for quantum information processing due to their ability to preserve quantum states for a remarkably long time. Here we report a comprehensive study…

Quantum Physics · Physics 2023-10-03 Mykyta Onizhuk , Giulia Galli

The bare and hydrogen-covered diamond (100) surfaces were investigated through pseudopotential density-functional calculations within the local-density approximation. Different coverages, ranging from one to two, were considered. These…

Condensed Matter · Physics 2009-10-28 Suklyun Hong , M. Y. Chou

Color center spins in diamond nanostructures are a key resource for emerging quantum technologies. Their innate surface proximity makes precise control of diamond surface chemistry essential for optimizing their functionality and charge…

The surfaces of antimony are characterized by the presence of spin-split states within the projected bulk band gap and the Fermi contour is thus expected to exhibit a spin texture. Using spin-resolved density functional theory calculations,…

Mesoscale and Nanoscale Physics · Physics 2012-09-26 A. Strozecka , A. Eiguren , M. Bianchi , D. Guan , C. H. Voetmann , S. Bao , Ph. Hofmann , J. I. Pascual

We simulate the dynamics of varying density quasi-two-dimensional spin ensembles in solid-state systems, focusing on the nitrogen-vacancy centers in diamond. We consider the effects of various control sequences on the averaged dynamics of…

Quantum Physics · Physics 2018-09-25 D. Farfurnik , Y. Horowicz , N. Bar-Gill

Entanglement is the central yet fleeting phenomena of quantum physics. Once being considered a peculiar counter-intuitive property of quantum theory it has developed into the most central element of quantum technology providing speed up to…

We report on a nuclear magnetic resonance (NMR) study of ultrananocrystalline diamond (UNCD) materials produced by detonation technique. Analysis of the 13C and 1H NMR spectra, spin-spin and spin-lattice relaxation times in purified UNCD…

Materials Science · Physics 2009-11-13 A. M. Panich , A. I. Shames , H. -M. Vieth , E. Osawa , M. Takahashi , A. Ya. Vul

Nitrogen-vacancy centers in diamond are a promising platform for nanoscale nuclear magnetic resonance sensing. Despite significant progress towards using NV centers to detect and localize nuclear spins down to the single spin level,…

Surfaces of natural diamonds etched in high-pressure experiments in H2O, CO2 and H2O-NaCl fluids were investigated using Atomic Force Microscopy. Partial dissolution of the crystals produced several types of surface features including the…

Materials Science · Physics 2015-03-02 Radmir V. Gainutdinov , Andrey A. Shiryaev , Yana Fedortchouk

Sensing techniques based on the negatively charged nitrogen-vacancy (NV) centre in diamond have emerged as promising candidates to characterise ultra-thin and 2D materials. An outstanding challenge to this goal is isolating the contribution…

Mesoscale and Nanoscale Physics · Physics 2018-11-13 S. E. Lillie , D. A. Broadway , N. Dontschuk , A. Zavabeti , D. A. Simpson , T. Teraji , T. Daeneke , L. C. L. Hollenberg , J. -P. Tetienne

A promising approach for multi-qubit quantum registers is to use optically addressable spins to control multiple dark electron-spin defects in the environment. While recent experiments have observed signatures of coherent interactions with…

Single NV centers in diamond coupled by hyperfine interaction to neighboring 13C nuclear spins are now widely used in the emerging quantum technologies as elements of quantum memory adjusted to NV center electron spin qubit. For nuclear…

We propose and analyze a novel mechanism for long-range spin-spin interactions in diamond nanostructures. The interactions between electronic spins, associated with nitrogen-vacancy centers in diamond, are mediated by their coupling via…

Mesoscale and Nanoscale Physics · Physics 2013-04-12 S. D. Bennett , N. Y. Yao , J. Otterbach , P. Zoller , P. Rabl , M. D. Lukin

The observation of strong and tunable spin-orbit interaction (SOI) in surface conducting diamond opens up a new avenue for building diamond-based spintronics. Herein we provide a comprehensive method to analyze the magnetotransport behavior…

Precise characterization of a hyperfine interaction is a prerequisite for high fidelity manipulations of electron and nuclear spins belonging to a hybrid qubit register in diamond. Here, we demonstrate a novel scheme for determining a…

Quantum Physics · Physics 2013-09-11 J. H. Shim , B. Nowak , I. Niemeyer , J. Zhang , F. D. Brandao , D. Suter

The nitrogen-vacancy center in diamond is a promising candidate for realizing the spin qubits concept in quantum information. Even though this defect is known for a long time, its electronic structure and other properties have not yet been…

Other Condensed Matter · Physics 2008-06-24 Adam Gali , Maria Fyta , Efthimios Kaxiras

We demonstrate a method of magnetic resonance imaging with single nuclear-spin sensitivity under ambient conditions. It employs a network of isolated electronic-spin quantum bits (qubits) that act as quantum reporters on the surface of high…

Nuclear spins in the solid state environment of diamond are highly coherent, but difficult to rapidly control due to the small nuclear gyromagnetic ratio. Here we demonstrate a more than 50-fold enhancement of the effective nuclear…

Mesoscale and Nanoscale Physics · Physics 2016-08-05 S. Sangtawesin , J. R. Petta