NDLI: Correlation effects for positron annihilation with core and semicore electrons

Content Provider	Semantic Scholar
Author	Barbiellini, Bernardo Puska, Martti J. Alatalo, Matti Hakala, Mikko Harju, Ari Korhonen, Timo Siljamäki, Sami Torsti, T. Nieminen, R. M.
Copyright Year	1997
Abstract	We present a theory for calculating the momentum distribution of annihilating electron-positron pairs in solids. The theory leads to a scheme in which the momentum density within the independent particle model for a given electron state is weighted by the annihilation rate of that state. The annihilation rate is calculated within the generalized gradient approximation. The scheme describes the suppression of the electron-positron correlations due to the charge inhomogeneity and explains the trends observed for positron annihilation with core and semicore electrons.
Starting Page	283
Ending Page	286
Page Count	4
File Format	PDF HTM / HTML
DOI	10.1016/S0169-4332(96)01070-7
Alternate Webpage(s)	http://nuweb.neu.edu/bbarbiellini/research/list/BBA_ART/ASU116_bba_97.pdf
Alternate Webpage(s)	https://doi.org/10.1016/S0169-4332%2896%2901070-7
Volume Number	116
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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