Two-subband system in quantizing magnetic field: Probing many-body gap by non-equilibrium phonons

3Citations
Citations of this article
2Readers
Mendeley users who have this article in their library.
Get full text

Abstract

We study the many-body effects in a two-subband quasi-two-dimensional electron system in a quantizing magnetic field at filling factor three. A manifestation of these effects in the phonon absorption spectroscopy is discussed. The electron system is mapped onto a two-level system with the separation between levels determined by the intersubband splitting and the cyclotron energy. The electron-electron interaction enhances the excitation gap, which exists at all values of the interlevel splitting. This results in a single-peak structure of the phonon absorption rate as a function of magnetic field, instead of the double-peak structure for non-interacting electrons. © 2002 Elsevier Science B.V. All rights reserved.

Cite

CITATION STYLE

APA

Apalkov, V. M., & Portnoi, M. E. (2002). Two-subband system in quantizing magnetic field: Probing many-body gap by non-equilibrium phonons. Physica E: Low-Dimensional Systems and Nanostructures, 15(3), 202–210. https://doi.org/10.1016/S1386-9477(02)00554-4

Register to see more suggestions

Mendeley helps you to discover research relevant for your work.

Already have an account?

Save time finding and organizing research with Mendeley

Sign up for free