Abstract
We present a general method for constructing a subset of the constants of motion in terms of products of spin operators. These operators are then used to give insight into the multi-spin orders comprising the quasi-equilibrium state formed under a Jeener-Broekaert sequence in small, dipolar-coupled, spin systems. We further show that constants of motion that represent single-quantum coherences are present due to the symmetry of the dipolar Hamiltonian under 180° spin rotations, and that such coherences contribute a DC component to the FID which vanishes in the absence of the flip-flop terms and is only present for spin clusters with an odd number of spins.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 22-29 |
| Number of pages | 8 |
| Journal | Solid State Nuclear Magnetic Resonance |
| Volume | 29 |
| Issue number | 1-3 |
| DOIs | |
| State | Published - Feb 1 2006 |
| Externally published | Yes |
ASJC Scopus subject areas
- Radiation
- Chemistry(all)
- Nuclear and High Energy Physics
- Instrumentation
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Cite this
Walls, J. D., & Lin, Y. Y. (2006). Constants of motion in NMR spectroscopy. Solid State Nuclear Magnetic Resonance, 29(1-3), 22-29. https://doi.org/10.1016/j.ssnmr.2005.09.007