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The Effects of Lattice Constant Variations on Electron and Positron Charge Densities in Grey Tin
Author(s) -
Soudini B.,
Aourag H.,
Khelifa B.
Publication year - 1991
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221670116
Subject(s) - pseudopotential , positron , tin , lattice constant , electron , gaussian , lattice (music) , physics , condensed matter physics , momentum (technical analysis) , constant (computer programming) , atomic physics , nuclear physics , materials science , quantum mechanics , finance , computer science , diffraction , acoustics , economics , metallurgy , programming language
Electron and positron charge densities are calculated as a function of the lattice constant variations in grey tin. The calculations of the electron–positron momentum densities are carried out by using the independent particule approximation coupled with the Gaussian nonlocal pseudopotential method. The results are correlated to the effects of pressure.