Wave function collapses and 1/n energy spectrum induced by a Coulomb potential in a one-dimensional flat band system

We investigate the bound state problem in a one-dimensional flat band system with a Coulomb potential. It is found that, in the presence of a Coulomb potential of type I (with three equal diagonal elements), similarly to that in the two-dimensional case, the flat band could not survive. At the same...

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Veröffentlicht in:	Chinese physics B 2022-04, Vol.31 (5), p.50311-203
1. Verfasser:	Zhang, Yi-Cai
Format:	Artikel
Sprache:	eng
Schlagworte:	flat band infinite bound states wave function collapses
Online-Zugang:	Volltext
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