Multiple quantum coherences in liquid state NMR and nonlinear optics: Collective vs local origin

Shaul Mukamel, Andreas Tortschanoff

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

Abstract

Recently observed high harmonic multi-particle echo resonances (multiple quantum coherence) in NMR have been interpreted using either direct coupling or local-field mechanisms. We show that a unified picture for both mechanisms may be obtained by calculating the signals perturbatively in the incoming pulses in terms of response functions using a many-body approach originally developed for nonlinear optics. Specific signatures which can distinguish between the two are identified, and new double quantum resonances of both types are predicted in four-wave mixing in the direction k1 + k2 - k3. © 2002 Elsevier Science B.V. All rights reserved.
OriginalspracheEnglisch
Seiten (von - bis)327-335
Seitenumfang9
FachzeitschriftChemical Physics Letters
Jahrgang357
Ausgabenummer5-6
DOIs
PublikationsstatusVeröffentlicht - 17 Mai 2002
Extern publiziertJa

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