双原子线中的Majorana边态
Majorana edge states in two atomic wires coupled by pair-hopping
摘要：
我们提出的证据存在的马约拉纳边缘状态的数量守恒理论描述了一个系统的无自旋费米子的两个电线耦合的一对跳跃。我们的分析是基于一个定性的低能量的方法和使用密度矩阵重整化群的数值技术相结合。我们还讨论了在光晶格中的冷原子气体中实现对跳跃相互作用的实验，以及它在量子模拟中可能的替代应用。
英文摘要：
We present evidence for the existence of Majorana edge states in a number conserving theory describing a system of spinless fermions on two wires that are coupled by a pair hopping. Our analysis is based on the combination of a qualitative low energy approach and numerical techniques using the Density Matrix Renormalization Group. We also discuss an experimental realization of pair-hopping interactions in cold atom gases confined in optical lattices, and its possible alternative applications to quantum simulation.
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