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Electron number, mean square deviation

The expectation values are evaluated within the R=0 approximation introduced by Friedel and coworkers (see e.g. Ref. (11)) in which only terms with 1=1 are kept. With these approximations calculations become very simple. In the following a number of results are presented. The reduction of charge fluctuations as a function of d band filling is shown in figure. 2 for a bcc lattice and U/W = 0.5. Plotted is the mean square deviation of the electron number... [Pg.282]

Bond strain index Root mean square deviation between the observed and ideal bond valence averaged over all the bonds in the formula unit Bond valence, 5 The number of valence electrons an atom uses to form a given bond. In the ionic model it is equal to the electrostatic flux linking two ions. The... [Pg.251]

See other pages where Electron number, mean square deviation is mentioned: [Pg.254]    [Pg.327]    [Pg.348]    [Pg.61]    [Pg.185]    [Pg.376]    [Pg.8]    [Pg.15]    [Pg.158]    [Pg.184]    [Pg.323]    [Pg.184]    [Pg.92]   
See also in sourсe #XX -- [ Pg.282 ]



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Electron number

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