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Theory of the influence of the coherent or incoherent motion of triplet excitons on NMR

✍ Scribed by H. Haken; E. Schwarzer

Publisher
Elsevier Science
Year
1974
Tongue
English
Weight
357 KB
Volume
27
Category
Article
ISSN
0009-2614

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✦ Synopsis

The inlcraction of triplet excitons and protons in molecular crystals gives rise to n longitudinal relsxation time TI ex of the protens. We calculate the dependence of Tt ex on the external magnetic field, on the dimensionality and on the kind of the exciton motion. Beyond this the optical nuclear spin polarizarion can be explained.

In this letter we investigate the influence of different kinds of triplet exciton motion [I] on the NMR of protons in molecular crystals. The corresponding experiments have been performed by Wolf and his co-workers [2-61.

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