Positron kinetics in soft condensed matter.
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.
White
R D
RD
ARC Centre for Antimatter-Matter Studies, James Cook University, Townsville 4810, Australia. Ronald.White@jcu.edu.au
Robson
R E
RE
D004583:Electrons; D007700:Kinetics; D008962:Models, Theoretical; D010825:Physics