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| Content Provider | IET Digital Library |
|---|---|
| Author | Kushwaha, M. S. |
| Abstract | The magneto-optical absorption in ‘spherical’ quantum dots ‘completely’ confined by a harmonic potential and exposed to an applied magnetic field in the symmetric gauge is investigated. This is done within the framework of Bohm–Pines’ random phase approximation (RPA) that enables us to derive and discuss the full Dyson equation that takes proper account of the Coulomb interactions. Intensifying the confinement or magnetic field and reducing the dot-size yields a blue-shift in the absorption peaks. However, the size effects are seen to be predominant in this role. The magnetic field tends to maximise the localisation of the particle, but leaves the peak position of the radial distribution intact. The intra-Landau level transitions are forbidden. |
| Starting Page | 1305 |
| Ending Page | 1307 |
| Page Count | 3 |
| ISSN | 00135194 |
| Volume Number | 50 |
| e-ISSN | 1350911X |
| Issue Number | Issue 18, Aug (2014) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/el/50/18 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/el.2014.2060 |
| Journal | Electronics Letters |
| Publisher Date | 2014-08-19 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Applied Magnetic Field Blue-shift Bohm–Pines RPA Coulomb Interactions Dyson Equation Electron State in Low-dimensional Structure Harmonic Potential IntraLandau Level Transitions Landau Levels Magnetic Field Magneto-optical Effect (condensed Matter) Magnetoabsorption Magnetooptic Property Magnetooptical Absorption Other Method of Electronic Structure Calculations (condensed Matter) Quantum Dots Radial Distribution RPA Calculations Size Effect Spectral Line Shift Spherical Quantum Dots |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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