Artículo
Efficient electron transfer in quantum dot chains controlled by a cubic detuning profile via shortcuts to adiabaticity
Fecha de publicación:
11/2022
Editorial:
IOP Publishing
Revista:
Europhysics Letters
ISSN:
0295-5075
e-ISSN:
1286-4854
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
Long-distance fast and precise transfer of charge in semiconductor nanostructures is one of the goals for scalable electronic devices. We study theoretically the control of shuttling of an electron along a linear chain of semiconductor electrostatically defined quantum dots by an electric field pulse with nonlinear time-dependent profile. We show that this essential nonlinearity along with shortcuts to adiabaticity techniques speed up the electron transfer with high fidelity, while still holding great robustness under spin-flip interactions and inhomogeneities in the couplings of the chain. A given fidelity can be set experimentally by controlling the maximum sweep energy and duration of the control pulse.
Palabras clave:
Quantum Dots
,
Shortcuts to adiabaticity
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Articulos(IMIT)
Articulos de INST.DE MODELADO E INNOVACION TECNOLOGICA
Articulos de INST.DE MODELADO E INNOVACION TECNOLOGICA
Citación
Rus, María Estefanía; Romero, Rodolfo Horacio; Gomez, Sergio Santiago; Efficient electron transfer in quantum dot chains controlled by a cubic detuning profile via shortcuts to adiabaticity; IOP Publishing; Europhysics Letters; 140; 4; 11-2022; 1-8
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