Features of Radiation Physics of Topological Insulators
B. L. OksengendlerInstitute of Materials Science, Academy of Sciences of the Republic of Uzbekistan, 100084, Tashkent, UzbekistanС. Е. МаксимовArifov Institute of Ion Plasma and Laser Technologies, Academy of Sciences of the Republic of Uzbekistan, 100125, Tashkent, UzbekistanS. H. SuleymanovInstitute of Materials Science, Academy of Sciences of the Republic of Uzbekistan, 100084, Tashkent, UzbekistanM. AshurovInstitute of Nuclear Physics, Academy of Sciences of the Republic of Uzbekistan, 100214, Tashkent, UzbekistanИ. НуритдиновInstitute of Nuclear Physics, Academy of Sciences of the Republic of Uzbekistan, 100214, Tashkent, UzbekistanN. N. NikiforovaInstitute of Materials Science, Academy of Sciences of the Republic of Uzbekistan, 100084, Tashkent, UzbekistanF. A. IskandarovaNanotechnology Development Center at the National University of Uzbekistan, 100174, Tashkent, UzbekistanG. S. NuzhdovArifov Institute of Ion Plasma and Laser Technologies, Academy of Sciences of the Republic of Uzbekistan, 100125, Tashkent, UzbekistanZ. I. KarimovNanotechnology Development Center at the National University of Uzbekistan, 100174, Tashkent, UzbekistanA. F. ZatsepinPhysico-Technical Institute, Ural Federal University, 620078, Ekaterinburg, Russia
ABI
Abstract
The problem of radiation-physical processes in topological insulators is discussed. As an example, а “Coulomb explosion” on the surface of topological insulators initiated by the K-ionization of a negative ion and the subsequent Auger cascade, which carries a large Auger charge Z $$ \gg $$ 1 to the valence states of the local region, is considered. It is shown that when electrons are replaced by Majorana fermions, the neutralization time increases; that is, in topological insulators the “Coulomb explosion” is more likely than that in a conventional insulator. A conclusion is drawn about a significant modification of the processes of subthreshold radiation physics of condensed matter in the case of topological insulators.
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