Abstract
IN two recent papers1 I have developed a statistical method for calculating the cohesion of the alkali metals. The density of the metal electrons in the lattice has been supposed to be constant. As cohesion energies, the following have been taken into account: the electrostatic energy of the metal electrons with respect to the simply charged ions, the exchange energy of the metal electrons and the correlation energy of the metal electrons with antiparallel spins as calculated according to Prof. E. Wigner and Dr. F. Seitz2. As causing repulsive forces, the electrostatic energy, the zero-point energy of the metal electrons and the energy resulting from their penetration into the electron clouds of the ions have been taken into account. The repulsive forces between the ions are also taken into consideration.
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References
P. Gombás, Z. Phys., 94, 473 (1935); 95, 687 (1935).
E. Wigner and F. Seitz, Phys. Rev., (2), 46, 509 (1934). E. Wigner, Phys. Rev., (2), 46, 1002 (1934).
A detailed paper will appear in the Zeitschrift für Physik.
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GOMBÁS, P. Cohesion of Alkali Metals. Nature 137, 950 (1936). https://doi.org/10.1038/137950b0
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DOI: https://doi.org/10.1038/137950b0
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