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    Binding of Two Closed-Shell Atoms on a Solid Surface

    Amitabha Bagchi*

    • Department of Physics, University of California San Diego, La Jolla, California 92037
    • Department of Physics and Materials Research Laboratory, University of Illinois, Urbana, Illinois 61801

    • *Submitted in partial fulfillment of requirements for the degree of Doctor of Philosophy at the University of California, San Diego, Calif.
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    Phys. Rev. A 3, 1133 – Published 1 March, 1971

    DOI: https://doi.org/10.1103/PhysRevA.3.1133

    Abstract

    The interaction of two noble-gas atoms on a solid surface is studied with a view to finding conditions under which they form a bound state. Two limiting models for the surface are considered - a flat surface which constrains the atoms to move in two dimensions and imposes no further restriction on their motion, and a surface consisting of a periodic arrangement of potential wells separated by large barriers, to which the tight-binding method is applicable. A curious feature of the result for the binding energy is shown to be a consequence of the fact that the problem is two dimensional.

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    Phys. Rev. A 3, 1133– Published 1 March, 1971
    • Received 3 November 1970

    © 1971 American Physical Society

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