Bounds on spin dynamics tightened by permutation symmetry application to coherence transfer in I2S and I3S spin systems
- 20 August 1995
- journal article
- research article
- Published by Taylor & Francis in Molecular Physics
- Vol. 85 (6) , 1205-1216
- https://doi.org/10.1080/00268979500101771
Abstract
The effect of spin permutation symmetry on the maximum achievable efficiency of coherence transfer between pairs of Hermitian or non-Hermitian spin operators is investigated. It is shown that spin permutation symmetry may tighten significantly the quantum mechanical bounds hitherto known to apply for coherence transfer processes. This feature is demonstrated for the heteronuclear coherence transfer processes S x → F x , S - → F - and 2F z S x → F x , 2F z S - → F - (F = Σ n i=1 I i ) in I2S and I3S (n = 2,3) spin-1/2 systems. The bounds arising from permutation symmetry apply for non-selective multidimensional NMR experiments.Keywords
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