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2006

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Spin-orbit effects in GaAs quantum wells: Interplay between Rashba, Dresselhaus, and Zeeman interactions

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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.

Recurs relacionat

http://dx.doi.org/10.1103/PhysRevB.74.115303

Matèries

Excitació nuclear, Semiconductors, Partícules (Física nuclear)

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Nuclear excitation, Semiconductors, Particles (Nuclear physics)

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Articles publicats en revistes (Física Quàntica i Astrofísica)

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LIPPARINI, Enrico, et al. Spin-orbit effects in GaAs quantum wells: Interplay between Rashba, Dresselhaus, and Zeeman interactions. Physical Review B. 2006. Vol. 74, num. 11, pags. 115303-1-115303-12. ISSN 0163-1829. [consulted: 28 of September of 2026]. Available at: https://hdl.handle.net/2445/10577

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