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The binding of alkali atoms to the surfaces of liquid helium and hydrogen (1995)

Ancilotto, F. ; Cheng, E. ; Cole, M. W. ; [et al.]

Springer

The European physical journal 98 (1995), S. 323-329

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ISSN: 1434-6036

Keywords: 36.40.Mr ; 67.40.Yu ; 67.55.Lf

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract Alkali atoms have been shown previously to have only unstable binding states inside liquid4He. We calculate the equilibrium configurations and binding energies of single alkali atoms near the liquid-vapor interface of4He and3He. A simple interface model is used to predict the surface deformation due to the presence of the atoms. A more realistic density functional model yields somewhat higher energies in the case of4He. For all alkali atoms, we find the surface binding energies to be around 10 to 20 K. A similar analysis with atom-H2 interactions finds that alkali atoms tend to submerge into liquid H2, with the exception of Li.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01338398

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