Matches in SemOpenAlex for { <https://semopenalex.org/work/W3036691419> ?p ?o ?g. }
- W3036691419 abstract "We computationally study the Fermi arc states in a Dirac semimetal, both in a semi-infinite slab and in the thin-film limit. We use ${mathrm{Cd}}_{3}{mathrm{As}}_{2}$ as a model system, and include perturbations that break the ${C}_{4}$ symmetry and inversion symmetry while mirror symmetries remain. The surface states are protected by the mirror symmetries present in the bulk states and thus survive these perturbations. The Fermi arc states persist down to very thin films, thinner than presently measured experimentally, but are affected by breaking the symmetry of the Hamiltonian. Recent experimental observations of transport in ${mathrm{Cd}}_{3}{mathrm{As}}_{2}$ films strongly suggest transport by surface states. Our findings are consistent with those observations in that we show that Fermi arc states can survive to rather thin films, and our results also suggest that symmetry-breaking terms that preserve the Fermi arc states nevertheless can have a profound effect in the thin film limit." @default.
- W3036691419 created "2020-06-25" @default.
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- W3036691419 date "2020-10-26" @default.
- W3036691419 modified "2023-10-18" @default.
- W3036691419 title "Topological surface states in strained Dirac semimetal thin films" @default.
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- W3036691419 doi "https://doi.org/10.1103/physrevb.102.155141" @default.
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