Topology driven g-factor tuning in type-II quantum dots.
LLORENS, J. M.; LOPES-OLIVEIRA, V.; LÓPEZ-RICHARD, V.; OLIVEIRA, E. R. Cardozo de; WEWIÓR, L.; ULLOA, J. M.; TEODORO, M. D.; MARQUES, G. E.; GARCÍA-CRISTÓBAL, A.; HAI, Guo-Qiang; ALÉN, B.
LLORENS, J. M.; LOPES-OLIVEIRA, V.; LÓPEZ-RICHARD, V.; OLIVEIRA, E. R. Cardozo de; WEWIÓR, L.; ULLOA, J. M.; TEODORO, M. D.; MARQUES, G. E.; GARCÍA-CRISTÓBAL, A.; HAI, Guo-Qiang; ALÉN, B.
Abstract: We investigate how the voltage control of the exciton lateral dipole moment induces a transition from singly to doubly connected topology in type-II In As / Ga As(x) Sb(1-x) quantum dots. The latter causes visible Aharonov-Bohm oscillations and a change of the exciton g factor, which are modulated by the applied bias. The results are explained in the frame of realistic k·p and effective Hamiltonian models and could open a venue for new spin quantum memories beyond the In As/Ga As realm. | |
Physical Review Applied |
v. 11, n. 4, p. 044011-1-044011-15 - Ano: 2019 |
Fator de Impacto: 4,782 |
http://dx.doi.org/10.1103/PhysRevApplied.11.044011 | @article={002937512,author = {LLORENS, J. M.; LOPES-OLIVEIRA, V.; LÓPEZ-RICHARD, V.; OLIVEIRA, E. R. Cardozo de; WEWIÓR, L.; ULLOA, J. M.; TEODORO, M. D.; MARQUES, G. E.; GARCÍA-CRISTÓBAL, A.; HAI, Guo-Qiang; ALÉN, B.},title={Topology driven g-factor tuning in type-II quantum dots},journal={Physical Review Applied},note={v. 11, n. 4, p. 044011-1-044011-15},year={2019}} |