Berry phase of nonideal Dirac fermions in topological insulators

By A.A.Taskin, Y. Ando. 2011

148 citations recorded by the source corpus.

A distinguishing feature of Dirac fermions is the Berry phase of $\pi$ associated with their cyclotron motions. Since this Berry phase can be experimentally assessed by analyzing the Landau-level fan diagram of the Shubnikov-de Haas (SdH) oscillations, such an analysis is widely employed in recent transport studies of topological insulators to elucidate the Dirac nature of the surface states. However, the reported results have usually been unconvincing. Here we show a general scheme for describing the phase factor of the SdH oscillations in realistic surface states of topological insulators, and demonstrate how one could elucidate the Dirac nature in the real experimental data.

Subfields: Atomic and Molecular Physics, and Optics, Materials Chemistry

View Paper: https://www.semanticscholar.org/paper/ca9c0ee18184659b5e97c52548cb73b9aaf02912

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Atomic and Molecular Physics, and Optics

1. Ashvin Vishwanath
2. N. P. Armitage
3. E. Mele
4. E. Witten
5. Masatoshi Sato
6. Xiao-Liang Qi
7. Liang Fu
8. T. Senthil

In Materials Chemistry

1. Ashvin Vishwanath
2. N. P. Armitage
3. E. Mele
4. Xiao-Liang Qi
5. Masatoshi Sato
6. J. Moore
7. Bogdan Andrei Bernevig
8. Y. Ando

Citations in the corpus

• Weyl and Dirac semimetals in three-dimensional solids (2017, background): “Such Shubnikov-de Haas (SdH) oscillation experiments have been extensively in studies of 2D materials like graphene (Novoselov et al., 2005; Zhang et al., 2005) and topological insulator surface states (Analytis et al., 2010; Qu et al., 2010; Sacépé et al., 2011; Taskin and Ando, 2011).”