H+ (D+, T+)-beryllium collisions studied using time-dependent density functional theory

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journal

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Original languageEnglish
Pages (from-to)319-326
Journal / PublicationPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume379
Issue number4
Online published15 Nov 2014
Publication statusPublished - 6 Feb 2015
Externally publishedYes

Abstract

Charge transfer and energy loss cross section of the Be + X+ (X = H, D and T) collisions are calculated using time-dependent density functional theory (TDDFT). A detailed discussion on the reliability of our results is presented by a comparison to the well studied H+-He collision. Our calculations indicate that optimized effective potential improves the results significantly compared to conventional used adiabatic local density approximations. The isotope effect at low impact energies is well reproduced. The charge transfer and energy loss cross sections scale with the velocity of projectiles for energy larger than 5 keV. The results of quantum molecular dynamics and TDDFT are also compared in view of the charge transfer process.

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