Journal
CHINESE PHYSICS B
Volume 25, Issue 11, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1674-1056/25/11/117202
Keywords
localization; antilocalization; topological insulator; topological semimetal
Categories
Funding
- National Key R AMP
- D Program, China [2016YFA0301700]
- Research Grant Council, University Grants Committee, Hong Kong, China [17303714]
- National Natural Science Foundation of China [11574127]
- National Thousand-Young-Talents Program of China
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Weak localization and antilocalization are quantum transport phenomena that arise from the quantum interference in disordered metals. At low temperatures, they can give distinct temperature and magnetic field dependences in conductivity, allowing the symmetry of the system to be explored. In the past few years, they have also been observed in newly emergent topological materials, including topological insulators and topological semimetals. In contrast from the conventional electrons, in these new materials the quasiparticles are described as Dirac or Weyl fermions. In this article, we review our recent efforts on the theories of weak antilocalization and interaction-induced localization for Dirac and Weyl fermions in topological insulators and topological semimetals.
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