Abstract

Transition probability of a moving rare gas ion to the reverse spin state by the Auger process on a metal surface is examined. The spin resolved expectation values of the ion states are obtained by perturbational expansion. In the slow limit of ion velocity, the ratio of the spin-flip probability to the unflip one tends to a finite value which depends on the surface electronic structure. An interpolation formula of the expectation value is proposed for an arbitrary velocity of the atom

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