Unconventional Transport in the Hole Regime of a Si Double Quantum Dot - Condensed Matter > Mesoscale and Nanoscale PhysicsReportar como inadecuado




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Abstract: Studies of electronic charge transport through semiconductor double quantumdots rely on a conventional -hole- model of transport in the three-electronregime. We show that experimental measurements of charge transport through a Sidouble quantum dot in this regime cannot be fully explained using theconventional picture. Using a Hartree-Fock HF formalism and relevant HFenergy parameters extracted from transport data in the multiple-electronregime, we identify a novel spin-flip cotunneling process that lifts a singletblockade.



Autor: Teck Seng Koh, C. B. Simmons, M. A. Eriksson, S. N. Coppersmith, Mark Friesen

Fuente: https://arxiv.org/







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