najoNanosystems: Physics, Chemistry, MathematicsНаносистемы: физика, химия, математика2220-80542305-7971Университет ИТМОnajo-970Research ArticlePHYSICSФИЗИКАChannels of electron-electron interactions in highly doped heterojunctionAmbartsumyanV. A.

Ryazan

AndryushchenkoE. A.

Ryazan

BukhenskyyK. V.

Ryazan

DuboisA. B.

Ryazan

DvoretskovaE. A.

Ryazan

GordovaT. V.IvanovaN. I.KucheryavyyS. I.

Obninsk

MashninaS. N.SafoshkinA. S.

Ryazan

Ryazan State Radioengineering UniversityRussian FederationMoscow State University of Economics, Statistics and Informatics (Ryazan filial)Russian FederationMoscow State University of Economics, Statistics and Informatics (Yaroslavl filial)Russian FederationInstitute of Atomic Energy of National Research Nuclear University of Moscow Engineer-Physics UniversityRussian Federation20141508202553343353Copyright © Ambartsumyan V.A., Andryushchenko E.A., Bukhenskyy K.V., Dubois A.B., Dvoretskova E.A., Gordova T.V., Ivanova N.I., Kucheryavyy S.I., Mashnina S.N., Safoshkin A.S., 20252025Ambartsumyan V.A., Andryushchenko E.A., Bukhenskyy K.V., Dubois A.B., Dvoretskova E.A., Gordova T.V., Ivanova N.I., Kucheryavyy S.I., Mashnina S.N., Safoshkin A.S.Ambartsumyan V.A., Andryushchenko E.A., Bukhenskyy K.V., Dubois A.B., Dvoretskova E.A., Gordova T.V., Ivanova N.I., Kucheryavyy S.I., Mashnina S.N., Safoshkin A.S.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://nanojournal.ifmo.ru/jour/article/view/970

Electron-electron interactions in a single highly doped heterojunction are considered, taking into account both intra- and intersubband transitions. Expressions are derived for the time of electron-electron interaction, matrix elements of the full screening potential and dynamic dielectric function in a 2D electron system with the fine structure of the energy spectrum, and for the electron density spatial distribution. The theoretical dependences τ th ee (T, ns) provide a good description of the experimental times of Landau levels collisional broadening τ exp q (T, ns).

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The authors declare that there are no conflicts of interest present.