Abstract
The energy is put as a functional of the electron-gas density in the one-electron approximation; this is used to calculate bond energies, lattice constants, and elastic moduli in good agreement with experiment from self-consistent-field one-electron wave functions.
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Konusov, V.F., Bogemskaya, E.A. Bond energy and elastic modulus for alkali metals. Soviet Physics Journal 8, 88–91 (1965). https://doi.org/10.1007/BF00818295
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DOI: https://doi.org/10.1007/BF00818295