We theoretically investigate long-range coherent charge transport in linear quadruple quantum dot (QQD) arrays under reduced symmetry configurations. Employing a master equation approach, we identify precise resonant conditions that enable minimal occupation of intermediate dots, thereby facilitating long-range transfer between distant sites. Our results highlight the critical role of parameter asymmetry and coherent tunneling mechanisms in achieving efficient quantum state transfer.
@article{arxiv.2505.23901,
title = {Long-range spin transport in asymmetric quadruple quantum dots configurations},
author = {David Fernández-Fernández and Johannes C. Bayer and Rolf J. Haug and Gloria Platero},
journal= {arXiv preprint arXiv:2505.23901},
year = {2025}
}