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Variational Approach for Phonon Renormalization Effects in Photoexcited Quantum Wires and Quantum Wells
| Content Provider | Semantic Scholar |
|---|---|
| Author | Guven, Kaan Tanatar, Bilal |
| Copyright Year | 1996 |
| Abstract | We investigate the effects of screening on polaronic corrections to the effective band edge in photoexcited quasi-one-dimensional GaAs quantum wires and two-dimensional quantum wells. We develop a variational method to calculate the polaron energy of a two-component plasma (electrons and holes) coupled to LO-phonons. Screening effects are incorporated within a dynamical scheme. We find that the screening effects and finite well width considerably reduce the polaron energy as the plasma density increases. Many-body corrections beyond the random-phase approximation are also considered. |
| Starting Page | 93 |
| Ending Page | 93 |
| Page Count | 1 |
| File Format | PDF HTM / HTML |
| DOI | 10.1002/pssb.2221970212 |
| Alternate Webpage(s) | http://repository.bilkent.edu.tr/bitstream/handle/11693/25774/bilkent-research-paper.pdf;jsessionid=C928D2C161ABD79F43A198FB87D1F324?sequence=1 |
| Alternate Webpage(s) | https://doi.org/10.1002/pssb.2221970212 |
| Volume Number | 20 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |