Relaxation in NMR Spectroscopy
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Date
2023-04
Publication Type
Book Chapter
ETH Bibliography
yes
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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.
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published
Book title
Two‐Dimensional (2D) NMR Methods
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Pages / Article No.
93 - 134
Publisher
Wiley
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Methods
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Organisational unit
08829 - Ernst, Matthias (Tit.-Prof.)