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artículo con referato
"Hybrid Density Functional for Liquid 4He"
L. Szybisz and I. Urrutia
J. Low. Temp. Phys. 138(1-2) (2005) 337-342
An alternative density functional for studying adsorption of 4He onto solid surfaces is suggested, where the helium-helium interaction is screened at small distances by the two-body distribution function g(r) and the gradient-gradient term of the Orsay-Trento proposal is replaced by a contribution written in terms of the gradient of g(r). Results for helium adsorption onto planar Na substrates are reported.
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