Classical Collision Theoty of Atoms wity Solid Surfaces Using the Langevin Equation

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概要

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• The classical mechanical theory of gas-surface inelastic collisions of Zwanzigis developed to include the thermal motion of lattice atoms. The fluctuation-dissipation theorem is verified between the thermal motion of struck atoms andresponse functions. The energy exchange between impinging gas atoms andlattice vibration is calculated, which is compared to the result from the distortedwave Born approximation. The trapping (sticking) conditions of impinging atomsare obtained in the form of the critical trapping energy. It is shown that theequation of motion of the impinging atoms approximately coincides with thegeneralized Langevin equation. The effective potential and the friction coefficient,which appear in the Langevin equation, are calculated.

• 社団法人日本物理学会の論文
• 1983-02-15

著者

• Shindo Shigeru

  Department Of Physics Tokyo Gakugei University

関連論文

• Classical Collision Theoty of Atoms wity Solid Surfaces Using the Langevin Equation
• Thermal Desorption with the Smoluchowski Equation

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