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Phys Rev Lett. 2007 Nov 2;99(18):187601. Epub 2007 Nov 2.

Stochastic dipolar recoupling in nuclear magnetic resonance of solids.

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  • 1Laboratory of Chemical Physics, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892-0520, USA. robertty@mail.nih.gov

Abstract

I describe a nuclear magnetic resonance (NMR) technique, called stochastic dipolar recoupling (SDR), that permits continuous experimental control of the character of spin dynamics between coherent and incoherent limits in a system of magnetic dipole-coupled nuclei. In the fully incoherent limit of SDR, spin polarization transfers occur at distance-dependent rates without the quantum mechanical interferences among pairwise dipole-dipole couplings that often limit the feasibility or precision of structural studies of solids by NMR. In addition to facilitating structural studies, SDR represents a possible route to experimental studies of effects of decoherence on the dynamics of quantum many-body systems.

PMID:
17995438
[PubMed - indexed for MEDLINE]
PMCID:
PMC2562523
Free PMC Article
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