| Full text | |
| Author(s): |
Pusep, Yu A.
;
Teodoro, M. D.
;
Laurindo Jr, V
;
Cardozo de Oliveira, E. R.
;
Gusev, G. M.
;
Bakarov, A. K.
Total Authors: 6
|
| Document type: | Journal article |
| Source: | Physical Review Letters; v. 128, n. 13, p. 6-pg., 2022-03-30. |
| Abstract | |
The diffusion of photogenerated holes is studied in a high-mobility mesoscopic GaAs channel where electrons exhibit hydrodynamic properties. It is shown that the injection of holes into such an electron system leads to the formation of a hydrodynamic three-component mixture consisting of electrons and photogenerated heavy and light holes. The obtained results are analyzed within the framework of ambipolar diffusion, which reveals characteristics of a viscous flow. Both hole types exhibit similar hydrodynamic characteristics. In such a way the diffusion lengths, ambipolar diffusion coefficient, and the effective viscosity of the electron-hole system are determined. (AU) | |
| FAPESP's process: | 15/16191-5 - The research in new materials involving high magnetic fields and low temperatures |
| Grantee: | Gennady Gusev |
| Support Opportunities: | Research Projects - Thematic Grants |