Anomalous Rashba spin-orbit interaction in InAs-GaSb quantum wells - Condensed Matter > Mesoscale and Nanoscale PhysicsReportar como inadecuado




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Abstract: We investigate theoretically the Rashba spin-orbit interaction in InAs-GaSbquantum wellsQWs. We find that the Rashba spin-splitting RSS dependssensitively on the thickness of the InAs layer. The RSS exhibits nonlinearbehavior for narrow InAs-GaSb QWs and the oscillating feature for wideInAs-GaSb QWs. The nonlinear and oscillating behaviors arise from the weakenedand enhanced interband coupling. The RSS also show asymmetric features respectto the direction of the external electric field.



Autor: J. Li, Kai Chang, G. Q. Hai, K. S. Chan

Fuente: https://arxiv.org/







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