Artículo
Cygorek, M.; Tamborenea, P.I.; Axt, V.M. "Insensitivity of spin dynamics to the orbital angular momentum transferred from twisted light to extended semiconductors" (2015) Physical Review B - Condensed Matter and Materials Physics. 92(11)
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Abstract:
We study the spin dynamics of carriers due to the Rashba interaction in semiconductor quantum disks and wells after excitation with light with orbital angular momentum. We find that although twisted light transfers orbital angular momentum to the excited carriers and the Rashba interaction conserves their total angular momentum, the resulting electronic spin dynamics is essentially the same for excitation with light with orbital angular momentum l=+|l| and l=-|l|. The differences between cases with different values of |l| are due to the excitation of states with slightly different energies and not to the different angular momenta per se and vanish for samples with large radii where a k-space quasicontinuum limit can be established. These findings apply not only to the Rashba interaction but also to all other envelope-function-approximation spin-orbit Hamiltonians like the Dresselhaus coupling. © 2015 American Physical Society.
Registro:
| Documento: | Artículo |
| Título: | Insensitivity of spin dynamics to the orbital angular momentum transferred from twisted light to extended semiconductors |
| Autor: | Cygorek, M.; Tamborenea, P.I.; Axt, V.M. |
| Filiación: | Theoretische Physik III, Universität Bayreuth, Bayreuth, 95440, Germany Departamento de Física and IFIBA, FCEN, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón I, Ciudad de Buenos Aires, 1428, Argentina |
| Año: | 2015 |
| Volumen: | 92 |
| Número: | 11 |
| DOI: | http://dx.doi.org/10.1103/PhysRevB.92.115301 |
| Título revista: | Physical Review B - Condensed Matter and Materials Physics |
| Título revista abreviado: | Phys. Rev. B Condens. Matter Mater. Phys. |
| ISSN: | 10980121 |
| CODEN: | PRBMD |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10980121_v92_n11_p_Cygorek |
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Citas:
---------- APA ----------
Cygorek, M., Tamborenea, P.I. & Axt, V.M. (2015) . Insensitivity of spin dynamics to the orbital angular momentum transferred from twisted light to extended semiconductors. Physical Review B - Condensed Matter and Materials Physics, 92(11).http://dx.doi.org/10.1103/PhysRevB.92.115301
---------- CHICAGO ----------
Cygorek, M., Tamborenea, P.I., Axt, V.M. "Insensitivity of spin dynamics to the orbital angular momentum transferred from twisted light to extended semiconductors" . Physical Review B - Condensed Matter and Materials Physics 92, no. 11 (2015).http://dx.doi.org/10.1103/PhysRevB.92.115301
---------- MLA ----------
Cygorek, M., Tamborenea, P.I., Axt, V.M. "Insensitivity of spin dynamics to the orbital angular momentum transferred from twisted light to extended semiconductors" . Physical Review B - Condensed Matter and Materials Physics, vol. 92, no. 11, 2015.http://dx.doi.org/10.1103/PhysRevB.92.115301
---------- VANCOUVER ----------
Cygorek, M., Tamborenea, P.I., Axt, V.M. Insensitivity of spin dynamics to the orbital angular momentum transferred from twisted light to extended semiconductors. Phys. Rev. B Condens. Matter Mater. Phys. 2015;92(11).http://dx.doi.org/10.1103/PhysRevB.92.115301
