Multiple quantum NMR dynamics in dipolar ordered spin systems

S. I. Doronin; E. B. Fel'dman; E. I. Kuznetsova; G. B. Furman; S. D. Goren

doi:10.1103/PhysRevB.76.144405

Multiple quantum NMR dynamics in dipolar ordered spin systems

S. I. Doronin, E. B. Fel'dman, E. I. Kuznetsova, G. B. Furman, S. D. Goren

Department of Physics

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2 Scopus citations

Abstract

We investigate analytically and numerically the multiple-quantum (MQ) NMR dynamics in systems of nuclear spins 1/2 coupled by the dipole-dipole interactions in the case of the dipolar ordered initial state. We suggest two different methods of MQ NMR. One of them is based on the measurement of the dipolar temperature in the quasiequilibrium state which is established after the time of order ωloc -1 (ωloc is the dipolar local field) after the MQ NMR experiment. The other method uses an additional resonance (π/4)y pulse after the preparation period of the standard MQ NMR experiment in solids. Many-spin clusters and correlations are created faster in such experiments than in the usual MQ NMR experiments and can be used for the investigation of many-spin dynamics of nuclear spins in solids.

Original language	English
Article number	144405
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	76
Issue number	14
DOIs	https://doi.org/10.1103/PhysRevB.76.144405
State	Published - 2 Oct 2007

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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title = "Multiple quantum NMR dynamics in dipolar ordered spin systems",

abstract = "We investigate analytically and numerically the multiple-quantum (MQ) NMR dynamics in systems of nuclear spins 1/2 coupled by the dipole-dipole interactions in the case of the dipolar ordered initial state. We suggest two different methods of MQ NMR. One of them is based on the measurement of the dipolar temperature in the quasiequilibrium state which is established after the time of order ωloc -1 (ωloc is the dipolar local field) after the MQ NMR experiment. The other method uses an additional resonance (π/4)y pulse after the preparation period of the standard MQ NMR experiment in solids. Many-spin clusters and correlations are created faster in such experiments than in the usual MQ NMR experiments and can be used for the investigation of many-spin dynamics of nuclear spins in solids.",

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AU - Doronin, S. I.

AU - Fel'dman, E. B.

AU - Kuznetsova, E. I.

AU - Furman, G. B.

AU - Goren, S. D.

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Multiple quantum NMR dynamics in dipolar ordered spin systems

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