论文标题
环境辅助量子运输和活动边缘
Environment-assisted quantum transport and mobility edges
论文作者
论文摘要
环境辅助量子运输（ENAQT）是一种独特的情况，在这种情况下，环境噪声可以违反直觉增强开放量子系统的运输。在本文中，我们研究了一维单粒子迁移率边缘的存在如何产生强大的ENAQT。为此，我们研究了广义的Aubry-André-Harper（AAH）紧密结合模型的能量电流，该模型在其边缘耦合到系统沿系统沿不同温度和散发噪声的自旋浴场。我们发现，ENAQT通过数量级增加，并取决于局部本征态的数量和非单调的无序强度。我们表明，这种增强是人口统一和本地化之间合作的结果。
Environment-assisted quantum transport (ENAQT) is a unique situation where environmental noise can, counterintuitively, enhance the transport of an open quantum system. In this paper, we investigate how the presence of a one-dimensional single-particle mobility edge can generate strong ENAQT. For this purpose, we study the energy current of a generalized Aubry-André-Harper (AAH) tight binding model coupled at its edges to spin baths of differing temperature and dephasing noise along the system. We find that the ENAQT increases by orders of magnitude and depends on the number of localized eigenstates and disorder strength nonmonotonically. We show that this enhancement is the result of the cooperation between population uniformization and localization.
