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Autor(in)
Datum
2023-04Typ
- Book Chapter
Abstract
This chapter discusses the foundations of relaxation theory starting from a phenomenological description going to a semi-classical and finally to a quantum-mechanical description. Since the majority of relaxation work in NMR is based on semi-classical relaxation theory (mostly Redfield theory), the emphasis is put on this type of description. Besides the derivation, relaxation pathways in the simple example of a heteronuclear and a homonuclear two-spin system are discussed for dipolar-coupling and chemical-shielding anisotropy-based relaxation including cross-correlated relaxation pathways. Finally, the basics of relaxation in quadrupolar spin systems is briefly discussed. Mehr anzeigen
Publikationsstatus
publishedBuchtitel
Two‐Dimensional (2D) NMR MethodsSeiten / Artikelnummer
Verlag
WileyOrganisationseinheit
08829 - Ernst, Matthias (Tit.-Prof.)