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Front Cover: Isotropic Scalar Quantum Sensing of Magnetic Fields for Industrial Application (Adv. Quantum Technol. 8/2020)
Author(s) -
Staacke Robert,
John Roger,
Wunderlich Ralf,
Horsthemke Ludwig,
Knolle Wolfgang,
Laube Christian,
Glösekötter Peter,
Burchard Bernd,
Abel Bernd,
Meijer Jan
Publication year - 2020
Publication title -
advanced quantum technologies
Language(s) - English
Resource type - Reports
ISSN - 2511-9044
DOI - 10.1002/qute.202070081
Subject(s) - magnetic field , isotropy , diamond , quantum sensor , condensed matter physics , quantum , paramagnetism , quantum dot , scalar field , physics , cover (algebra) , scalar (mathematics) , materials science , quantum mechanics , open quantum system , quantum technology , geometry , composite material , mechanical engineering , mathematics , engineering
The cover shows a variety of diamond nanoparticles with a high concentration of nitrogen‐vacancy centers. The bright red fluorescence of these particles depends on the strength of the magnetic field represented by field lines. With a stronger magnetic field the fluorescence is quenched due to spin mixing. Additionally, the field direction dependency is averaged out through the number of nanoparticles. This enables the creation of a robust isotropic quantum sensor for magnetic fields, as demonstrated by Robert Staacke and co‐workers in article number 2000037.