Mass-dependencies of the bound state properties for three-body positronium-like exitonic complexes

Alexei M. Frolov ()
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Alexei M. Frolov: Department of Applied Mathematics University of Western Ontario

The European Physical Journal B: Condensed Matter and Complex Systems, 2020, vol. 93, issue 5, 1-9

Abstract: Abstract Mass-dependencies of a number of bound state properties are investigated in some light two-electron exitonic complexes (or clusters) Z+e−e−, where me ≤ mZ ≤ 2me. These exitonic complexes (or model ions) play a great role in modern solid state physics, since such complexes describe optical absorption in a number of semiconductors. We also derived and tested a number of accurate mass-interpolation formulas for these properties. In general, our mass-interpolation formulas allow one to predict (fast and accurately) numerical values of these bound state properties in the ‘new’ exitonic complexes, i.e., in three-body exitonic complexes with new mass ratios. Graphical abstract

Keywords: Solid; State; and; Materials (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1140/epjb/e2020-10076-7

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