Linear Response in Topological Materials

The discovery of topological insulators and semimetals has opened up a new perspective to understand materials. Owing to the special band structure and enlarged Berry curvature, the linear responses are strongly enhanced in topological materials. The interplay of topological band structure and symme...

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Bibliographic Details
Published inApplied sciences Vol. 9; no. 22; p. 4832
Main Authors Noky, Jonathan, Sun, Yan
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 12.11.2019
Subjects
anomalous hall effect
anomalous nernst effect
Approximation
Band structure of solids
Electric currents
Electromagnetism
Information processing
linear response
Metalloids
spin hall effect
spin nernst effect
spin orbit torque
Symmetry
Topological insulators
topological semimetals
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Summary:The discovery of topological insulators and semimetals has opened up a new perspective to understand materials. Owing to the special band structure and enlarged Berry curvature, the linear responses are strongly enhanced in topological materials. The interplay of topological band structure and symmetries plays a crucial role for designing new materials with strong and exotic new electromagnetic responses and provides promising mechanisms and new materials for the next generation of technological applications. We review the fundamental concept of linear responses in topological materials from the symmetry point of view and discuss their potential applications.
ISSN:2076-3417
2076-3417
DOI:10.3390/app9224832