2013/04/03 by Abdelghani Laraoui, Florian Dolde, Christian Burk +3 · 3 citations
Earth and Planetary Sciences · Materials Science · Physics and Astronomy · #Atomic physics #Condensed matter physics #Context (archaeology) #Dephasing #Diamond #Diamond and Carbon-based Materials Research #Ferromagnetism #Force Microscopy Techniques and Applications #High-pressure geophysics and materials #Hyperfine structure #Materials science #Molecular physics #Nitrogen-vacancy center #Physics #Spin (aerodynamics) #Spins #Spintronics #Vacancy defect #cond-mat.mes-hall #quant-ph
paper · pdf · doi:10.1038/ncomms2685
published as Nature Communications 4, 1651 (2013)
openalex publication_date 2013/04/03 · arxiv created 2013/05/07 · arxiv updated 2013/05/08 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
Spin complexes comprising the nitrogen-vacancy (NV) center and neighboring spins are being considered as a building block for a new generation of spintronic and quantum information processing devices. Because assembling identical spin clusters is difficult, new strategies are in order to determine individual node structures with the highest precision. Here we use a pulse protocol to monitor the time evolution of the 13C ensemble in the vicinity of a NV center. We observe long-lived time correlations in the nuclear spin dynamics, limited by NV spin-lattice relaxation. We use the host 14N spin as a quantum register, and demonstrate that hyperfine-shifted resonances can be separated upon proper NV initialization. Intriguingly, we find that the amplitude of the correlation signal exhibits a sharp dependence on the applied magnetic field. We discuss this observation in the context of the quantum-to-classical transition proposed recently to explain the field dependence of the spin cluster dynamics.