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cond-mat.mtrl-sci2005★ 143 cited
Modeling the momentum distributions of annihilating electron-positron pairs in solids
I. Makkonen, M. Hakala, M. J. Puska
Measuring the Doppler broadening of the positron annihilation radiation or the angular correlation between the two annihilation gamma quanta reflects the momentum distribution of e…
cond-mat.mtrl-sci1999
First-Principles Calculations of Positron Annihilation in Solids
B. Barbiellini, M. Hakala, R. M. Nieminen +1
We present first-principles approaches based on density functional theory for calculating positron states and annihilation characteristics in condensed matter. The treatment of the…