期刊
EPL
卷 104, 期 2, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1209/0295-5075/104/27004
关键词
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资金
- NKBRSFC [2011CB921502, 2012CB821305, 2009CB930701, 2010CB922904]
- NSFC [10934010, 11228409, 61227902, 11065010]
- NSFC-RGC [11061160490, 1386-N-HKU748/10]
We propose a new approach to create Majorana fermions at the edge of a periodically driven semiconductor-superconductor Heterostructure. We calculate the quasi-energy spectrum of the periodically driven Heterostructure by using Floquet's theory. When the interaction between different Brillouin zones of quasi-energy is neglected, one Majorana fermion with zero quasi-energy can be created at each edge of the Heterostructure when the ratio of driven amplitude and driven frequency is larger than a minimum. Furthermore, Majorana fermions with nonzero quasi-energy emerge when the driven frequency is low and the interaction between different Brillouin zones of quasi-energy needs to be considered. We also discuss the experimental protocol of creating Majorana fermions in the periodically driven Heterostructure. Copyright (C) EPLA, 2013
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