Controlling the spatial distribution of optically active spin defects in solids is a long-standing goal in the quantum sensing and simulation communities. Measurements of the many-body noise generated by the spins were used to verify that a highly coherent and strongly interacting quantum spin system was confined to two dimensions within a diamond substrate.
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References
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This is a summary of: Davis, E. J. et al. Probing many-body dynamics in a two-dimensional dipolar spin ensemble. Nat. Phys. https://doi.org/10.1038/s41567-023-01944-5 (2023).
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Confining quantum spin defects to two dimensions. Nat. Phys. 19, 783–784 (2023). https://doi.org/10.1038/s41567-023-01947-2
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DOI: https://doi.org/10.1038/s41567-023-01947-2
