Abstract
Dipolar relaxation of multiple quantum (MQ) nuclear magnetic resonance (NMR) coherence is investigated on the evolution period of the MQ NMR experiment in chains of 19F nuclei in a single crystal of calcium fluorapatite. The dependence of the relaxation time of the MQ coherence of the second order on the size of the coherent spin cluster formed on the preparation period is obtained. The dipolar relaxation of MQ NMR coherences is considered as a model for the investigation of decoherence of quantum states of many-qubit spin clusters.
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Acknowledgements
This work is supported by the Russian Foundation for Basic Research (project nos. 16-03-00056 and 16-33-00867) and the Program of the Presidium of the Russian Academy of Sciences No. 1.26 “Electron spin resonance, spin-dependent electron effects and spin technologies” (project no. 0089-2015-0191).
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Bochkin, G.A., Fel’dman, E.B., Vasil’ev, S.G. et al. Dipolar Relaxation of Multiple Quantum NMR Coherences as a Model of Decoherence of Many-Qubit Coherent Clusters. Appl Magn Reson 49, 25–34 (2018). https://doi.org/10.1007/s00723-017-0925-6
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DOI: https://doi.org/10.1007/s00723-017-0925-6