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The role of spin-or...
The role of spin-orbit coupling in topologically protected interface states in Dirac materials
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- Abergel, David S. L. (author)
- KTH,Stockholms universitet,Nordiska institutet för teoretisk fysik (Nordita),Nordic Institute for Theoretical Physics NORDITA
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Edge, Jonathan M. (author)
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- Balatsky, Alexander V. (author)
- KTH,Stockholms universitet,Nordiska institutet för teoretisk fysik (Nordita),Los Alamos National Laboratory, USA,Nordic Institute for Theoretical Physics NORDITA
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(creator_code:org_t)
- 2014-06-24
- 2014
- English.
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In: New Journal of Physics. - : IOP Publishing. - 1367-2630. ; 16, s. 065012-
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Abstract
Subject headings
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- We highlight the fact that two-dimensional (2D) materials with Dirac-like low energy band structures and spin-orbit coupling (SOC) will produce linearly dispersing topologically protected Jackiw-Rebbi modes at interfaces where the Dirac mass changes sign. These modes may support persistent spin or valley currents parallel to the interface, and the exact arrangement of such topologically protected currents depends crucially on the details of the SOC in the material. As examples, we discuss buckled 2D hexagonal lattices such as silicene or germanene, and transition metal dichalcogenides such as MoS2.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
Keyword
- Dirac materials
- interface states
- persistent currents
- topological protection
Publication and Content Type
- ref (subject category)
- art (subject category)
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