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Topological Electro...
Topological Electronic States on the Surface of a Strained Gapless Semiconductor
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Kibis, O. , V (författare)
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- Kyriienko, Oleksandr (författare)
- Stockholms universitet,KTH,Nordic Institute for Theoretical Physics NORDITA,Stockholm Univ, SE-10691 Stockholm, Sweden.;ITMO Univ, St Petersburg 197101, Russia.,Nordiska institutet för teoretisk fysik (Nordita)
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- Shelykh, I. A. (författare)
- ITMO Univ, St Petersburg 197101, Russia.;Univ Iceland, Sci Inst, IS-107 Reykjavik, Iceland.
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(creator_code:org_t)
- Pleiades Publishing Inc, 2019
- 2019
- Engelska.
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Ingår i: Semiconductors (Woodbury, N.Y.). - : Pleiades Publishing Inc. - 1063-7826 .- 1090-6479. ; 53:14, s. 1867-1869
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We develop the theory describing the topological electronic states on the surface of a gapless strained semiconductor arisen from the mixing of conduction and valence bands. It follows from the present theory that the strain-induced band gap in the Brillouin zone center of the semiconductor results in the surface electronic states with the Dirac linear dispersion characteristic for topologically protected states. The structure of these surface electronic states is studied analytically near their Dirac point within the formalism based on the Luttinger Hamiltonian. The results bring attention to the rich surface physics relevant for topological systems.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Nyckelord
- topological insulators
- gapless semiconductors
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