| Issue |
EPL
Volume 108, Number 2, October 2014
|
|
|---|---|---|
| Article Number | 27008 | |
| Number of page(s) | 6 | |
| Section | Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties | |
| DOI | https://doi.org/10.1209/0295-5075/108/27008 | |
| Published online | 27 October 2014 | |
Radiation-induced re-emission in a 2D electron system
Escuela Politécnica Superior, Universidad Carlos III - Leganes, Madrid, 28911, Spain
Received: 11 June 2014
Accepted: 6 October 2014
Recent experiments on re-emission of radiation and magnetotransport in photoexcited two-dimensional electron systems are theoretically analyzed. These experiments have concluded that there exists a strong correlation between the re-emitted radiation and the radiation-driven current through the sample. We study these remarkable experimental results using the radiation-driven electron orbit model. According to it, two-dimensional electrons under a magnetic field move back and forth driven by radiation. Therefore, they behave as oscillating dipoles re-emitting part of the radiation previously absorbed. Then, this theory would explain in a simple way the experimental results.
PACS: 73.40.-c – Electronic transport in interface structures / 73.50.-h – Electronic transport phenomena in thin films / 78.67.-n – Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures
© EPLA, 2014
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