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Identification of individual C13 isotopes of nitrogen-vacancy center in diamond by combining the polarization studies of nuclear spins and first-principles calculations

Adam Gali
Phys. Rev. B 80, 241204(R) – Published 29 December 2009

Abstract

We determine the charge- and spin-density distributions of nitrogen-vacancy center in diamond for both the ground and excited states by ab initio supercell calculations yielding very good agreement with the experiment. We correctly determine the polarization of N15 nuclear spin in the level anticrossing (LAC) mechanism. We show that LAC together with the accurate ab initio data can be used to identify the individual C13 nuclei around the defect that can also reveal the dominant component of the precession vector responsible for the decoherence of the addressed nuclear-spin qubit.

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  • Received 29 October 2009

DOI:https://doi.org/10.1103/PhysRevB.80.241204

©2009 American Physical Society

Authors & Affiliations

Adam Gali

  • Department of Atomic Physics, Budapest University of Technology and Economics, Budafoki út 8., H-1111 Budapest, Hungary and Department of Physics and School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, USA

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Issue

Vol. 80, Iss. 24 — 15 December 2009

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