Majorana Edge States in Atomic Wires Coupled by Pair Hopping

被引：80
|
作者：
Kraus, Christina V. [1 ,2 ]
Dalmonte, Marcello [1 ]
Baranov, Mikhail A. [1 ,2 ,3 ]
Laeuchli, Andreas M. [2 ]
Zoller, P. [1 ,2 ]
机构：
[1] Austrian Acad Sci, Inst Quantum Opt & Quantum Informat, A-6020 Innsbruck, Austria
[2] Univ Innsbruck, Inst Theoret Phys, A-6020 Innsbruck, Austria
[3] RRC Kurchatov Inst, Moscow 123182, Russia
来源：
PHYSICAL REVIEW LETTERS | 2013年 / 111卷 / 17期
基金：
奥地利科学基金会;
关键词：
NANOWIRE; SUPERCONDUCTOR; SIGNATURE; FERMIONS;
D O I：
10.1103/PhysRevLett.111.173004
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We present evidence for Majorana edge states in a number conserving theory describing a system of spinless fermions on two wires that are coupled by pair hopping. Our analysis is based on a combination of a qualitative low energy approach and numerical techniques using the density matrix renormalization group. In addition, we discuss an experimental realization of pair-hopping interactions in cold atom gases confined in optical lattices.
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页数：5
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