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Topology driven g-factor tuning in type-II quantum dots
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Topology driven g-factor tuning in type-II quantum dots
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| Llorens, J. M.; Lopes-Oliveira, V.; López-Richard, V.; Cardozo de Oliveira, E. R.; Wewiór, L.; Ulloa, J. M.; Teodoro, M. D.; Marques, G. E.; García Cristóbal, Alberto; Hai, G.-Q.; Alén, B. | |||
| This document is a artículoDate2019 | |||
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| 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 Asx Sb1−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. | |||
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Llorens, J. M. Lopes-Oliveira, V. López-Richard, V. Cardozo de Oliveira, E. R. Wewiór, L. Ulloa, J. M. Teodoro, M. D. Marques, G. E. García Cristóbal, Alberto Hai, G.-Q. Alén, B. 2019 Topology driven g-factor tuning in type-II quantum dots Physical Review D 11 044011-1 044011-15 |
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| https://doi.org/10.1103/PhysRevApplied.11.044011 |