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Comment
. 2019 Jan 22;116(4):1084-1086.
doi: 10.1073/pnas.1820331116. Epub 2018 Dec 21.

Dowsing for nodal lines in a topological semimetal

E J Mele  1
Affiliations
Comment

Dowsing for nodal lines in a topological semimetal

E J Mele. Proc Natl Acad Sci U S A. .
No abstract available

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Conflict of interest statement

The author declares no conflict of interest.

Figures

Fig. 1.
Fig. 1.
Band degeneracies (Left) and their signatures in the infrared conductivity (Right). (A) A pair of Weyl cones doped to a nonzero carrier density. (B) Dispersionless Dirac nodal line in a 3D material. (C) Dispersive nodal line gapped by a weak spin-orbit interaction. Reproduced with permission from ref. .
See this image and copyright information in PMC

Comment on

  • Optical signatures of Dirac nodal lines in NbAs2.
    Shao Y, Sun Z, Wang Y, Xu C, Sankar R, Breindel AJ, Cao C, Fogler MM, Millis AJ, Chou F, Li Z, Timusk T, Maple MB, Basov DN. Shao Y, et al. Proc Natl Acad Sci U S A. 2019 Jan 22;116(4):1168-1173. doi: 10.1073/pnas.1809631115. Epub 2018 Dec 17. Proc Natl Acad Sci U S A. 2019. PMID: 30559211 Free PMC article.

References

    1. Shao Y, et al. Optical signatures of Dirac nodal lines in NbAs2. Proc Natl Acad Sci USA. 2019;116:1168–1173. - PMC - PubMed
    1. Armitage NP, Mele EJ, Vishwanath AV. Weyl and Dirac semimetals in three dimensional solids. Rev Mod Phys. 2018;90:015001.
    1. Bradlyn B, et al. Beyond Dirac and Weyl fermions: Unconventional quasiparticles in conventional crystals. Science. 2016;353:aaf5037. - PubMed
    1. Shen B, et al. Fermi surface topology and negative longitudinal magnetoresistance in NbAs2. Phys Rev B. 2016;93:195119.
    1. Yuan Z, et al. Large magnetoresistance in compensated semimetals TaAs2 and NbAs2. Phys Rev B. 2016;93:184405.

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