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Spin-orbit effects in GaAs quantum wells: Interplay between Rashba, Dresselhaus, and Zeeman interactions
Lipparini, Enrico; Barranco Gómez, Manuel; Malet i Giralt, Francesc; Pi Pericay, Martí; Serra, Llorenç
Universitat de Barcelona
The interplay between Rashba, Dresselhaus, and Zeeman interactions in a quantum well submitted to an external magnetic field is studied by means of an accurate analytical solution of the Hamiltonian, including electron-electron interactions in a sum-rule approach. This solution allows us to discuss the influence of the spin-orbit coupling on some relevant quantities that have been measured in inelastic light scattering and electron-spin resonance experiments on quantum wells. In particular, we have evaluated the spin-orbit contribution to the spin splitting of the Landau levels and to the splitting of charge- and spin-density excitations. We also discuss how the spin-orbit effects change if the applied magnetic field is tilted with respect to the direction perpendicular to the quantum well.
04-05-2010
Semiconductors
Spin (Física nuclear)
Electrònica quàntica
Semiconductors
Nuclear spin
Quantum electronics
Quantum electronics
(c) The American Physical Society, 2006
Artículo
The American Physical Society
         

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