Open AccessСпиновые состояния электронов в двойной квантовой точке в двумерном топологическом изоляторе со спин-орбитальным взаимодействием
Author(s) -
А.А. Суханов,
В.А. Сабликов
Publication year - 2019
Publication title -
fizika i tehnika poluprovodnikov
Language(s) - English
Resource type - Journals
eISSN - 1726-7315
pISSN - 0015-3222
DOI - 10.21883/ftp.2019.09.48134.17
Subject(s) - singlet state , physics , condensed matter physics , spin–orbit interaction , ground state , electron , magnetic field , spin (aerodynamics) , triplet state , atomic physics , quantum mechanics , excited state , thermodynamics
The spectra and spin structure of the states of two interacting electrons localized in a double quantum dot in a two-dimensional topological insulator with spin-orbit interaction are investigated. It is found that, in such a system, a singlet-triplet transition in the ground state without a magnetic field can be implemented. Spin-orbit interaction leads to the splitting of polarized triplet levels and to anticrossing, when one of them crosses the singlet.