Sangam: A Confluence of Knowledge Streams

Odd-Parity Pairing and Topological Superconductivity in a Strongly Spin-Orbit Coupled Semiconductor

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dc.contributor Massachusetts Institute of Technology. Department of Physics
dc.contributor Fu, Liang
dc.creator Sasaki, Satoshi
dc.creator Ren, Zhi
dc.creator Taskin, A. A.
dc.creator Segawa, Kouji
dc.creator Fu, Liang
dc.creator Ando, Yoichi
dc.date 2013-02-21T17:34:05Z
dc.date 2013-02-21T17:34:05Z
dc.date 2012-11
dc.date 2012-07
dc.date.accessioned 2023-03-01T08:02:59Z
dc.date.available 2023-03-01T08:02:59Z
dc.identifier 0031-9007
dc.identifier 1079-7114
dc.identifier http://hdl.handle.net/1721.1/77180
dc.identifier Sasaki, Satoshi et al. “Odd-Parity Pairing and Topological Superconductivity in a Strongly Spin-Orbit Coupled Semiconductor.” Physical Review Letters 109.21 (2012). © 2012 American Physical Society
dc.identifier https://orcid.org/0000-0002-8803-1017
dc.identifier.uri http://localhost:8080/xmlui/handle/CUHPOERS/275966
dc.description The existence of topological superconductors preserving time-reversal symmetry was recently predicted, and they are expected to provide a solid-state realization of itinerant massless Majorana fermions and a route to topological quantum computation. Their first likely example, Cu[subscript x]Bi[subscript 2]Se[subscript 3], was discovered last year, but the search for new materials has so far been hindered by the lack of a guiding principle. Here, we report point-contact spectroscopy experiments suggesting that the low-carrier-density superconductor Sn[subscript 1-x]In[subscript x]Te is accompanied by surface Andreev bound states which, with the help of theoretical analysis, would give evidence for odd-parity pairing and topological superconductivity. The present and previous finding of possible topological superconductivity in Sn[subscript 1-x]In[subscript x]Te and Cu[subscript x]Bi[subscript 2]Se[subscript 3] suggests that odd-parity pairing favored by strong spin-orbit coupling is likely to be a common underlying mechanism for materializing topological superconductivity.
dc.description United States. Air Force Office of Scientific Research (AOARD 124038)
dc.format application/pdf
dc.language en_US
dc.publisher American Physical Society
dc.relation http://dx.doi.org/10.1103/PhysRevLett.109.217004
dc.relation Physical Review Letters
dc.rights Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
dc.source APS
dc.title Odd-Parity Pairing and Topological Superconductivity in a Strongly Spin-Orbit Coupled Semiconductor
dc.type Article
dc.type http://purl.org/eprint/type/JournalArticle


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