Many-body theory calculations of positron binding to hydrogen cyanide
Jaroslav Hofierka,
Brian Cunningham,
Dermot G. Green
Abstract:Positron bound state properties in hydrogen cyanide are studied via many-body theory calculations that account for strong positron-electron correlations including positron-induced polarization, screening of the electron–positron Coulomb interaction, virtual-positronium formation and positron–hole repulsion. Specifically, the Dyson equation is solved using a Gaussian basis, with the positron self-energy in the field of the molecule calculated using the Bethe–Salpeter equations for the two-particle and particle–… Show more
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