Electronic transitions in disk-shaped quantum dots induced by twisted light
We theoretically investigate the absorption and emission of light carrying orbital angular momentum (twisted light) by quasi-two-dimensional (disk-shaped) quantum dots in the presence of a static magnetic field. We calculate the transition matrix element for the light-matter interaction and use it t...
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2009
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| Acceso en línea: | Registro en Scopus DOI Handle Registro en la Biblioteca Digital |
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| LEADER | 06342caa a22006017a 4500 | ||
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| 001 | PAPER-8853 | ||
| 003 | AR-BaUEN | ||
| 005 | 20230518203842.0 | ||
| 008 | 190411s2009 xx ||||fo|||| 00| 0 eng|d | ||
| 024 | 7 | |2 scopus |a 2-s2.0-66349137631 | |
| 040 | |a Scopus |b spa |c AR-BaUEN |d AR-BaUEN | ||
| 030 | |a PRBMD | ||
| 100 | 1 | |a Quinteiro, G.F. | |
| 245 | 1 | 0 | |a Electronic transitions in disk-shaped quantum dots induced by twisted light |
| 260 | |c 2009 | ||
| 270 | 1 | 0 | |m Quinteiro, G. F.; Departamento de Física Juan José Giambiagi, Universidad de Buenos Aires, Pabellón i, 1428 Ciudad de Buenos Aires, Argentina |
| 506 | |2 openaire |e Política editorial | ||
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| 504 | |a Dávila Romero, B.L.C., Andrews, D.L., Babiker, M., (2002) J. Opt. B: Quantum Semiclassical Opt., 4, p. 66. , 10.1088/1464-4266/4/2/370; | ||
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| 504 | |a The vector potential in the LG mode is not expressed in the Coulomb gauge; then, the minimal-coupling Hamiltonian 1/ (2m) (p-qA) 2 yields an extra term: (p A) where it is understood that the momentum operator only acts upon the vector potential. This term need not be considered in our analysis since it does not contribute to interband transitions; Haug, H., Koch, S.W., (1993) Quantum Theory of the Optical and Electronic Properties of Semiconductors, , 2nd ed. (World Scientific, Singapore | ||
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| 520 | 3 | |a We theoretically investigate the absorption and emission of light carrying orbital angular momentum (twisted light) by quasi-two-dimensional (disk-shaped) quantum dots in the presence of a static magnetic field. We calculate the transition matrix element for the light-matter interaction and use it to explore different scenarios, depending on the initial and final states of the electron undergoing the optically induced transition. We make explicit the selection rule for the conservation of the z projection of the orbital angular momentum. For a realistic set of parameters (quantum dot size, beam waist, photon energy, etc.) the strength of the transition induced by twisted light is 10% of that induced by plane waves. Finally, our analysis indicates that it may be possible to select precisely the electronic level one wishes to populate using the appropriate combination of light-beam parameters suggesting technological applications to the quantum control of electronic states in quantum dots. © 2009 The American Physical Society. |l eng | |
| 593 | |a Departamento de Física Juan José Giambiagi, Universidad de Buenos Aires, Pabellón i, 1428 Ciudad de Buenos Aires, Argentina | ||
| 700 | 1 | |a Tamborenea, P.I. | |
| 773 | 0 | |d 2009 |g v. 79 |k n. 15 |p Phys. Rev. B Condens. Matter Mater. Phys. |x 10980121 |t Physical Review B - Condensed Matter and Materials Physics | |
| 856 | 4 | 1 | |u https://www.scopus.com/inward/record.uri?eid=2-s2.0-66349137631&doi=10.1103%2fPhysRevB.79.155450&partnerID=40&md5=aba5e88dc628b5b32d66e102225f71ff |y Registro en Scopus |
| 856 | 4 | 0 | |u https://doi.org/10.1103/PhysRevB.79.155450 |y DOI |
| 856 | 4 | 0 | |u https://hdl.handle.net/20.500.12110/paper_10980121_v79_n15_p_Quinteiro |y Handle |
| 856 | 4 | 0 | |u https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10980121_v79_n15_p_Quinteiro |y Registro en la Biblioteca Digital |
| 961 | |a paper_10980121_v79_n15_p_Quinteiro |b paper |c PE | ||
| 962 | |a info:eu-repo/semantics/article |a info:ar-repo/semantics/artículo |b info:eu-repo/semantics/publishedVersion | ||
| 963 | |a VARI | ||
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