An analytical formulation of CPMAS.

@article{Marica2002AnAF,
  title={An analytical formulation of CPMAS.},
  author={Florea Marica and Robert F. Snider},
  journal={Solid state nuclear magnetic resonance},
  year={2002},
  volume={23 1-2},
  pages={
          28-49
        }
}
An exact expression for the cross polarization between two spin-1/2 particles is derived from the quantum Liouville equation. This is given in the form of two integrodifferential equations. These can be solved exactly in the static case (no sample spinning) and a powder average easily performed numerically. With magic-angle spinning, the neglect of certain interference terms simplifies the numerical calculation. A further assumption decoupling the calculation of the sidebands gives a very… CONTINUE READING

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