Effective Potentials for Charge‐Helium and Charge‐Singly‐Ionized Helium Interactions in a Dense Plasma

Т. С. Рамазанов, Samat M. Amirov, Zh. A. Moldabekov

2016

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DOI 10.1002/ctpp.201500130
Data confidence 70 medium
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Abstract

Abstract The effective electron (proton)‐He and electron (proton)‐He+ screened pair interaction potentials arising as a result of partial screening of the helium nucleus field by bound electrons, taking into account both screening by free charged particles and quantum diffraction effect in dense plasmas were derived. The impact of quantum effects on screening was analyzed. It was shown that plasma polarization around the atom leads to the additional repulsion (attraction) between the electron (proton) and the helium atom. The method of constructing the full electron (proton)‐He and electron (proton)‐He+ screened pair interaction potentials as the sum of the derived potentials with the polarization potential and exchange potential is discussed. (© 2016 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)