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Electron transfer in proton‐hydrogen collisions in dense semi‐classical hydrogen plasma
Author(s) -
Das Kamalika,
Das Biswajit,
Rej Pramit,
Ghoshal Arijit
Publication year - 2021
Publication title -
contributions to plasma physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.531
H-Index - 47
eISSN - 1521-3986
pISSN - 0863-1042
DOI - 10.1002/ctpp.202000212
Subject(s) - matter wave , physics , atomic physics , debye length , pseudopotential , plasma , debye , hydrogen atom , hydrogen , proton , electron , diffraction , quantum , wave function , range (aeronautics) , condensed matter physics , quantum mechanics , materials science , composite material , group (periodic table)
Abstract Quantum mechanical calculations have been accomplished to study the dynamics of the reaction: p + H (1 s ) → H ( nlm ) + p in dense semi‐classical hydrogen plasma. Interactions among the charged particles in plasma are represented by a pseudopotential which takes care of the collective effects at large distances and quantum effect of diffraction at small distances. Various capture cross sections are computed for the incident proton energy lying within 10 to 500 keV by applying a distorted wave method which uses a variationally determined closed‐form wave function of hydrogen atom. Moreover, an inclusive study is made to explore the effects of screening of plasma and quantum diffraction on various capture cross sections for a wide range of thermal Debye length and de Broglie wave length. It has been found that various cross sections suffer considerable changes due to varying Debye length and de Broglie wave length.