Majorana zero modes in the interacting fermion chain without pairing

被引:0
作者
Zvyagin, A. A. [1 ,2 ]
机构
[1] Natl Acad Sci Ukraine, B Verkin Inst Low Temp Phys & Engn, UA-61103 Kharkiv, Ukraine
[2] Kharkov Natl Univ, UA-61022 Kharkiv, Ukraine
关键词
Majorana edge states; topological insulator; topological quantum computer; XXZ CHAIN; SUPERCONDUCTOR; NANOWIRE; SIGNATURE; STATES; SPIN;
D O I
10.1063/10.0004234
中图分类号
O59 [应用物理学];
学科分类号
摘要
The ground state behavior of the spinless fermion chain with an interaction between fermions at neighboring sites is studied for free open boundaries. For the strong enough repulsion boundary gapless states (bound state of Majorana operators from opposite sites of the chain) can exist inside the gap for bulk excitations, i.e., in the topological insulator regime. We propose to use those Majorana zero modes as topological qubits, similar to the ones in one-dimensional topological superconductors. Possible physical realizations of the considered model are discussed.
引用
收藏
页码:401 / 405
页数:5
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