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Positron kinetics in soft condensed matter

White, Ronald Douglas; Robson, Robert


We outline a new kinetic theory for positrons in soft matter, which blends together cross sections for positrons scattering from single molecules, with the structure function of the medium as a whole. Numerical results are presented for positrons in liquid argon, where negative differential conductivity arises from both positron formation and the structure of the medium.

CollectionsANU Research Publications
Date published: 2009-06-09
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.102.230602


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