一维拓扑超导体中束缚态的评估：Majorana与Tamm
Assessing bound states in a one-dimensional topological superconductor: Majorana versus Tamm
摘要：
拓扑超导体中的Majorana束缚态在拓扑量子计算中的应用引起了人们的广泛关注。然而，它们并不是拓扑束缚态的唯一例子，可以发生在这样的系统。我们在这里研究的模型中，马约拉纳和塔姆束缚态竞争。令人惊讶的是，我们的数值和分析表明，即使当光谱变得无间隙时，Tamm状态仍然部分本地化。尽管这一事实，我们证明，马约拉纳两极分化显示了两个政权之间的明确过渡。
英文摘要：
Majorana bound states in topological superconductors have attracted intense research activity in view of applications in topological quantum computation. However, they are not the only example of topological bound states that can occur in such systems. We here study a model in which both Majorana and Tamm bound states compete. We show both numerically and analytically that, surprisingly, the Tamm state remains partially localized even when the spectrum becomes gapless. Despite this fact, we demonstrate that the Majorana polarization shows a clear transition between the two regimes.
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