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<p>The energy losses of keV atomic beams at grazing reflections from an amorphous metal surface are studied. Expressions for various components of these losses, including dissipative van der Waals, specular electrodynamic, and inelastic electronic interactions have been obtained. Calculations of the grazing reflection of sodium and potassium atoms from the aluminum surface show that the dissipative van der Waals component of energy losses can dominate or be quite noticeable at transverse energies of 0.5–2 eV.</p>

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Dissipative van der Waals and Mirror Interaction of keV Atoms with the Metal Surface at Grazing Reflections

  • 期刊论文

  • 发表日期：

    2026年2月1日

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  • G. V. Dedkov

摘要

The energy losses of keV atomic beams at grazing reflections from an amorphous metal surface are studied. Expressions for various components of these losses, including dissipative van der Waals, specular electrodynamic, and inelastic electronic interactions have been obtained. Calculations of the grazing reflection of sodium and potassium atoms from the aluminum surface show that the dissipative van der Waals component of energy losses can dominate or be quite noticeable at transverse energies of 0.5–2 eV.