On the theory of chemically induced electron polarization (CIDEP). II. Potential forced diffusion

摘要

A formula is developed for the spin polarization developed by radicals simultaneously diffusing in a spherically symmetric potential field and precessing in a magnetic field; general initial conditions are included, and two boundary conditions: zero rate and infinite rate of reaction at the point of contact. The special case of simple diffusion and infinite rate of reaction is also discussed and compared to the unreacting case treated in the first paper of this series. Asymptotic formulas are given that allow a simplification of the formulas when the exchange forces are very large. This takes the form of multiplying the spin polarization for simple diffusion by simple functions of the potential, allowing a very easy estimate of the effect of potential forced diffusion.