Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki
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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2011, Volume 93, Issue 2, Pages 63–68 (Mi jetpl1806)  
This article is cited in 145 scientific papers (total in 145 papers)

CONDENSED MATTER

Dimensional crossover in topological matter: Evolution of the multiple Dirac point in the layered system to the flat band on the surface

T. T. Heikkiläa, G. E. Volovikab

a Low Temperature Laboratory, Aalto University, School of Science and Technology, FI-00076 AALTO, Finland
b Landau Institute for Theoretical Physics RAS, 119334 Moscow, Russia
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Abstract: We consider the dimensional crossover in the topological matter, which involves the transformation of different types of topologically protected zeroes in the fermionic spectrum. In the considered case, the multiple Dirac (Fermi) point in quasi 2-dimensional system evolves into the flat band on the surface of the 3-dimensional system when the number of atomic layers increases. This is accompanied by formation of the spiral nodal lines in the bulk. We also discuss the topological quantum phase transition at which the surface flat band shrinks and changes its chirality, while the nodal spiral changes its helicity.
Received: 25.11.2010
English version:
Journal of Experimental and Theoretical Physics Letters, 2011, Volume 93, Issue 2, Pages 59–65
DOI: https://doi.org/10.1134/S002136401102007X
Bibliographic databases:
Document Type: Article
Language: English
Citation: T. T. Heikkilä, G. E. Volovik, “Dimensional crossover in topological matter: Evolution of the multiple Dirac point in the layered system to the flat band on the surface”, Pis'ma v Zh. Èksper. Teoret. Fiz., 93:2 (2011), 63–68; JETP Letters, 93:2 (2011), 59–65
Citation in format AMSBIB
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\paper Dimensional crossover in topological matter: Evolution of the multiple Dirac point in the layered system to the flat band on the surface
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\vol 93
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\pages 63--68
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\issue 2
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  • https://www.mathnet.ru/eng/jetpl/v93/i2/p63
    • This publication is cited in the following 145 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    		Письма в Журнал экспериментальной и теоретической физики Pis'ma v Zhurnal Иksperimental'noi i Teoreticheskoi Fiziki
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