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VOLUME 21 (1975) | ISSUE 11 | PAGE 646
Resonant action exerted on atoms on a surface and on atoms in molecules: selective oscillation buildup and selective reabsorption and adsorption; excitation of nonlinear oscillator by a set of resonant frequencies or by internal transitions
We consider resonant oscillation buildup and detachment of atoms on the surface of a substance under the influence of an electromagnetic or a hypersonic field, a process that can be used to sort out atoms, to purify surfaces, to generate powerful hypersound, etc. We consider excitation of a nonlinear oscillator (atom in a molecule or on a surface) by a set of resonant frequencies and indicate the conditions under which this problem can be reduced to that of resonant excitation of a linear oscillator. The buildup of external oscillations by internal transitions is proposed. The possibility of separating definite atoms from adsorbed atoms with the aid of the tunnel effect is noted.