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Weyl nodes and magnetostructural instability in antiperovskite Mn3ZnC

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0 Published in 2019 at "APL Materials"

DOI: 10.1063/1.5129689

Abstract: The ferromagnetic phase of the cubic antiperovskite Mn$_3$ZnC is suggested from first-principles calculation to be a nodal line Weyl semimetal. Features in the electronic structure that are the hallmark of a nodal line Weyl state,… read more here.

Keywords: instability antiperovskite; nodes magnetostructural; weyl nodes; weyl ... See more keywords

Weak-value amplification for Weyl-point separation in momentum space

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0 Published in 2018 at "New Journal of Physics"

DOI: 10.1088/1367-2630/aae2d5

Abstract: The existence of Weyl nodes in the momentum space is a hallmark of a Weyl semimetal (WSM). A WSM can be confirmed by observing its Fermi arcs with separated Weyl nodes. In this paper, we… read more here.

Keywords: weyl nodes; space; weak value; separation ... See more keywords

Magnetic field induced Weyl semimetal from Wannier-function-based tight-binding model

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0 Published in 2018 at "Physical Review B"

DOI: 10.1103/physrevb.98.075123

Abstract: Weyl semimetals (WSMs) have Weyl nodes where conduction and valence bands meet in the absence of inversion or time-reversal symmetry (TRS) or both. The TRS-broken WSM phase can be driven from a topological Dirac semimetal… read more here.

Keywords: weyl nodes; field; model; function ... See more keywords

Edge states in a two-dimensional nonsymmorphic semimetal

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0 Published in 2019 at "Physical Review B"

DOI: 10.1103/physrevb.99.075409

Abstract: Dirac materials have unique transport properties, partly due to the presence of surface states. A new type of Dirac materials, protected by non-symmorphic symmetries was recently proposed by Young and Kane [1]. By breaking of… read more here.

Keywords: edge states; weyl nodes; non symmorphic; states two ... See more keywords

Computational search for Dirac and Weyl nodes in f -electron antiperovskites

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1 Published in 2019 at "Physical Review B"

DOI: 10.1103/physrevb.99.205126

Abstract: We present the result of an \textit{ab initio} search for new Dirac materials among inverse perovskites. Our investigation is focused on the less studied class of lanthanide antiperovskites containing heavy $f$-electron elements in the cation… read more here.

Keywords: nodes electron; dirac weyl; computational search; weyl nodes ... See more keywords