We observed lifting of Coulomb blockade in GaAs vertical double quantum dot with low potential barriers, induced by cotunneling mechanisms at dilution fridge temperature of 10 mK. Several distinct features were observed, compared to single dot case, and appropriate explanation for them was given
Cite
@article{arxiv.1011.4011,
title = {Cotunneling effects in GaAs vertical double quantum dot},
author = {A. O. Badrutdinov and S. M. Huang and K. Kono and K. Ono and D. A. Tayurskii},
journal= {arXiv preprint arXiv:1011.4011},
year = {2015}
}