Unexpected Dirac-Node Arc in the Topological Line-Node Semimetal HfSiS

Abstract

We have performed angle-resolved photoemission spectroscopy on HfSiS, which has been predicted to be a topological line-node semimetal with square Si lattice. We found a quasi-two-dimensional Fermi surface hosting bulk nodal lines, alongside the surface states at the Brillouin-zone corner exhibiting a sizable Rashba splitting and band-mass renormalization due to many-body interactions. Most notably, we discovered an unexpected Dirac-like dispersion extending one-dimensionally in k space - the Dirac-node arc - near the bulk node at the zone diagonal. These novel Dirac states reside on the surface and could be related to hybridizations of bulk states, but currently we have no explanation for its origin. This discovery poses an intriguing challenge to the theoretical understanding of topological line-node semimetals.

5 pages, 4 figures (paper proper) + 2 pages, figures (supplemental material)

References in corpus (36)

• Topological Insulators
• Topological insulators and superconductors
• Discovery of a Weyl Fermion Semimetal and Topological Fermi Arcs
• Discovery of a Three-dimensional Topological Dirac Semimetal, Na3Bi
• Topological Crystalline Insulators
• Dirac semimetal and topological phase transitions in A3Bi (A=Na, K, Rb)
• Experimental discovery of Weyl semimetal TaAs
• Topological Insulator Materials
• Topological nodal semimetals
• Three Dimensional Dirac Semimetal and Quantum Transports in Cd3As2
• Theoretical Discovery/Prediction: Weyl Semimetal states in the TaAs material (TaAs, NbAs, NbP, TaP) class
• Topological Crystalline Insulators in the SnTe Material Class
• Weyl semimetal phase in non-centrosymmetric transition metal monophosphides
• Observation of a topological 3D Dirac semimetal phase in high-mobility Cd3As2
• Experimental Realization of a Three-Dimensional Dirac Semimetal
• Experimental realization of a topological crystalline insulator in SnTe
• Topological nodal line semimetals with and without spin-orbital coupling
• Giant Spin-splitting in the Bi/Ag(111) Surface Alloy
• Dirac Line Nodes in Inversion Symmetric Crystals
• Topological crystalline insulator states in Pb(1-x)Sn(x)Se
• Topological Nodal Line Semimetal and Dirac Semimetal State in Antiperovskite Cu${}_3$PdN
• Dirac Cone Protected by Non-Symmorphic Symmetry and 3D Dirac Line Node in ZrSiS
• A topological crystalline insulator (TCI) phase via topological phase transition and crystalline mirror symmetry
• Strong spin-orbit splitting on Bi surfaces
• Observation of Topological Nodal Fermion Semimetal Phase in ZrSiS
• Drumhead Surface States and Topological Nodal-Line Fermions in TlTaSe2
• Potential ring of Dirac nodes in a new polymorph of Ca${}_3$P${}_2$
• Discovery of Dirac Node Arcs in PtSn4
• Line-Node Dirac Semimetal and Topological Insulating Phase in Noncentrosymmetric Pnictides CaAgX (X = P, As)
• Two-Dimensional Oxide Topological Insulator With Iron-Pnictide Superconductor LiFeAs Structure
• Role of bulk and surface phonons in the decay of metal surface states
• Spin-orbit splitting of the Shockley surface state on Cu(111)
• Direct Observation of Nonequivalent Fermi-Arc States of Opposite Surfaces in Noncentrosymmetric Weyl Semimetal NbP
• Topological semimetals and topological insulators in rare earth monopnictides
• One-Dimensional Edge States with Giant Spin Splitting in a Bismuth Thin Film
• Emergence of topological bands on the surface of ZrSnTe crystal

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