Description
Title: Helium and Screened-Helium Atoms’ Dynamic Multipole Polarizabilities
Abstract: Numerous areas and procedures in physical science are affected by the accurate estimation of atomic polarizabilities. Using highly correlated exponential wavefunctions based on the pseudo-state summation method, we precisely calculate the dynamic multipole polarizabilities of the helium and screened-helium atoms. The Debye-Hückel potential (DHP) is taken into account for screened environments as the potential for charged particle interactions. Along with magic-zero wavelengths, this article reports on the dynamic multipole (quadrupole, octupole, and hexadecapole) polarizabilities for the ground state of the helium atom and the multipole (quadrupole and octupole) polarizabilities of the screened-helium atom for different screening parameters. The newly discovered results for the helium atom’s hexadecapole polarizability and the screened-helium atom’s dynamic multipole polarizability would be helpful for further research on this subject.
Keywords: dynamic multipole polarizability; helium atom; screened-helium atom; Debye–Hückel potential; correlated exponential wavefunctions; pseudo-state summation method
Paper Quality: SCOPUS / Web of Science Level Research Paper
Subject: Physics
Subject Category: Atomic and Molecular Physics, and Optics
Writer Experience: 20+ Years
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