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Macroscopic and microscopic fields in high-resolution liquid NMR

par Vlassenbroek, Alain ;Jeener, Jean ;Broekaert, Paul
Référence Journal of Magnetic Resonance, Series A, 118, 2, page (234-246)
Publication Publié, 1996

Article révisé par les pairs

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Résumé :

The microscopic magnetic-induction field "seen by each nucleus" in a material medium and which is generated by a rapidly time-dependent spin magnetization gives rise to surprising new features in high-resolution nuclear magnetic resonance experiments. The purpose of the present paper is to show how the relations between the macroscopic average fields, the magnetization, and the microscopic fields (which were studied and clarified long ago at thermal equilibrium) can be extended to the present NMR context in which the magnetization can become rapidly time dependent and unrelated to thermal equilibrium properties. © 1990 Academic Press, Inc.