标题： 量子点链中马约拉纳费米子的自适应调制 显示英文标题

标题： Adaptive tuning of Majorana fermions in a quantum dot chain

摘要： 我们建议一种克服无序和态密度高对在一维系统中创建未配对马约拉纳费米子所造成的障碍的方法。 这是通过将系统分成一系列量子点来实现的，然后调节这些量子点使其处于链可以被视为有效基塔耶夫模型的条件，从而使链处于具有在外围量子点中良好局域化的马约拉纳态的鲁棒拓扑相。 我们开发的调节算法涉及控制栅极电压和超导相位。 共振安德烈夫谱学使调节变得自适应，因此每对量子点可以独立于其他量子点进行调节。 计算出的量化零偏压电导随后作为调节后相拓扑性质的自然证明。 显示英文摘要

摘要： We suggest a way to overcome the obstacles that disorder and high density of states pose to the creation of unpaired Majorana fermions in one-dimensional systems. This is achieved by splitting the system into a chain of quantum dots, which are then tuned to the conditions under which the chain can be viewed as an effective Kitaev model, so that it is in a robust topological phase with well-localized Majorana states in the outermost dots. The tuning algorithm that we develop involves controlling the gate voltages and the superconducting phases. Resonant Andreev spectroscopy allows us to make the tuning adaptive, so that each pair of dots may be tuned independently of the other. The calculated quantized zero bias conductance serves then as a natural proof of the topological nature of the tuned phase.