Hopf semimetals are 4D gapless phases constructed via unstable homotopy maps from T^3 to S^2 that host nodal lines carrying Hopf flux along with unique gapless Fermi-arc, drumhead, Fermi-surface, and corner states.
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Nontrivial band topology in graphene with nanohole arrays appears periodically with superstructure size m (period 2 for triangular arrays, period 6 for honeycomb arrays).
Quasiperiodic Fibonacci edges in zigzag graphene nanoribbons combined with moderate electron interactions induce a conductive regime with transmission oscillations, while non-interacting and strongly interacting cases remain localized.
Transmission in gapped graphene under combined strain and laser-electrostatic barriers shows Fano-type oscillations that strengthen at moderate strain, shift with incidence energy, and respond differently to laser amplitude versus frequency.
citing papers explorer
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Hopf Semimetals
Hopf semimetals are 4D gapless phases constructed via unstable homotopy maps from T^3 to S^2 that host nodal lines carrying Hopf flux along with unique gapless Fermi-arc, drumhead, Fermi-surface, and corner states.
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Periodic Behavior of Topology in Graphene with Nanohole Array
Nontrivial band topology in graphene with nanohole arrays appears periodically with superstructure size m (period 2 for triangular arrays, period 6 for honeycomb arrays).
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Engineering Delocalization in Graphene Nanoribbons via Quasiperiodic Edges and Electronic Interactions
Quasiperiodic Fibonacci edges in zigzag graphene nanoribbons combined with moderate electron interactions induce a conductive regime with transmission oscillations, while non-interacting and strongly interacting cases remain localized.
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Quantum transport in gapped graphene under strain and laser--electrostatic barriers
Transmission in gapped graphene under combined strain and laser-electrostatic barriers shows Fano-type oscillations that strengthen at moderate strain, shift with incidence energy, and respond differently to laser amplitude versus frequency.