Observation of “Dark” Axisymmetric Plasma Modes in a Single Disk of Two-Dimensional Electrons


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Аннотация

The microwave absorption spectra of a two-dimensional electron system based on GaAs/AlGaAs heterostructures in a perpendicular magnetic field are experimentally investigated. A unique noninvasive technique for the excitation of “dark” axisymmetric plasma oscillations in single disks of two-dimensional electrons is developed. The excitation conditions and physical properties of the new dark plasma modes are studied in detail. The experimental results are in excellent agreement with theoretical calculations.

Авторлар туралы

A. Zagitova

Institute of Solid State Physics

Хат алмасуға жауапты Автор.
Email: zagitova@issp.ac.ru
Ресей, Chernogolovka, Moscow oblast, 142432

V. Muravev

Institute of Solid State Physics

Email: zagitova@issp.ac.ru
Ресей, Chernogolovka, Moscow oblast, 142432

P. Gusikhin

Institute of Solid State Physics

Email: zagitova@issp.ac.ru
Ресей, Chernogolovka, Moscow oblast, 142432

A. Fortunatov

Institute of Solid State Physics

Email: zagitova@issp.ac.ru
Ресей, Chernogolovka, Moscow oblast, 142432

I. Kukushkin

Institute of Solid State Physics

Email: zagitova@issp.ac.ru
Ресей, Chernogolovka, Moscow oblast, 142432

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