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Showing 2019 · cond-mat.mes-hallShow all
2 papers · 2 filters
cond-mat.mes-hall2019★ 24 cited
Surface States and Arcless Angles in Twisted Weyl Semimetals
Ganpathy Murthy, Herbert A Fertig, Efrat Shimshoni
Fermi arc states are features of Weyl semimetal (WSM) surfaces which are robust due to the topological character of the bulk band structure. We demonstrate that Fermi arcs may unde…
cond-mat.mes-hall2019★ 10 cited
Stability of zero energy Dirac touchings in the honeycomb Hofstadter problem
Ankur Das, Ribhu K. Kaul, Ganpathy Murthy
We study the band structure of electrons hopping on a honeycomb lattice with 1/q (q integer) flux quanta through each elementary hexagon. In the nearest neighbor hopping model the…