论文标题
Majorana Bound State的全电动可调网络
All-electrically tunable networks of Majorana bound states
论文作者
论文摘要
二阶拓扑超导体（SOTSS）托管局部Majorana fermions，并为拓扑量子计算提供了一个新的平台。我们提出了一种非凡且可行的方法，以实现基于SOTS的网络，该网络允许以全电动方式构成和辫子Major的结合状态（MBS），而不会进行微调。提议的设置可直接扩展，可以容纳任何偶数MBS。此外，网络中的MBS允许定义可以通过测量SOTS岛之间流动的Josephson电流来初始化和读取状态的量子。我们的建议可以在$ \ text {fete} {} _ {1-x} \ text {se} _ {x} $的单层中实现，1T'-wte $ _2 $的单层和倒置的hg（cd）te量子井与传统的超级超级尺寸相邻。
Second-order topological superconductors (SOTSs) host localized Majorana fermions and provide a new platform for topological quantum computation. We propose a remarkable and feasible way to realize networks based on SOTSs which allow to nucleate and braid Majorana bound states (MBSs) in an all-electrical manner without fine-tuning. The proposed setups are scalable in a straightforward way and can accommodate any even number of MBSs. Moreover, the MBSs in the networks allow defining qubits whose states can be initialized and read out by measuring Josephson currents flowing between SOTS islands. Our proposal can be implemented in monolayers of $\text{FeTe}{}_{1-x}\text{Se}_{x}$, monolayers of 1T'-WTe$_2$, and inverted Hg(Cd)Te quantum wells in proximity to conventional superconductors.
