742 citations · 5.2k across the 43 of their papers we have counts for
43 papers
Optical bulk-boundary dichotomy in a quantum spin Hall insulator
Junfeng Han, Pengcheng Mao, Hailong Chen +17
The bulk-boundary correspondence is a key concept in topological quantum materials. For instance, a quantum spin Hall insulator features a bulk insulating gap with gapless helical…
Anomalously high supercurrent density in a two-dimensional topological material
Qi Zhang, Md Shafayat Hossain, Brian Casas +24
Ongoing advances in superconductors continue to revolutionize technology thanks to the increasingly versatile and robust availability of lossless supercurrent. In particular high s…
Coexistence of bulk-nodal and surface-nodeless Cooper pairings in a superconducting Dirac semimetal
Xian P. Yang, Yigui Zhong, Sougata Mardanya +21
The interplay of nontrivial topology and superconductivity in condensed matter physics gives rise to exotic phenomena. However, materials are extremely rare where it is possible to…
Emergent Edge Modes in Shifted Quasi-One-Dimensional Charge Density Waves
Song-Bo Zhang, Xiaoxiong Liu, Md Shafayat Hossain +3
We propose and study a two-dimensional (2D) phase of shifted charge density waves (CDW), which is constructed from an array of weakly coupled 1D CDW wires whose phases shift from o…
Discovery of charge density wave in a correlated kagome lattice antiferromagnet
Xiaokun Teng, Lebing Chen, Feng Ye +18
A hallmark of strongly correlated quantum materials is the rich phase diagram resulting from competing and intertwined phases with nearly degenerate ground state energies. A well-k…
Magnetization-direction-tunable kagome Weyl line
Zi-Jia Cheng, Ilya Belopolski, Tyler A. Cochran +21
Kagome magnets provide a fascinating platform for a plethora of topological quantum phenomena. Here, utilizing angle-resolved photoemission spectroscopy, we demonstrate Weyl lines…
Visualizing the out-of-plane electronic dispersions in an intercalated transition metal dichalcogenide
Xian P. Yang, Harrison LaBollita, Zi-Jia Cheng +17
Layered transition metal dichalcogenides have rich phase diagram and they feature two dimensionality on numerous physical properties. Co1/3NbS2 is one of the newest members of this…
Conjoined Charge Density Waves in the Kagome Superconductor CsV3Sb5
Haoxiang Li, G. Fabbris, A. H. Said +12
The intricate interplay between novel lattice geometry and spontaneous symmetry-breaking states is at the forefront of contemporary research on quantum materials. Recently, the obs…
Tunable nodal kagome superconductivity in charge ordered RbV3Sb5
Z. Guguchia, C. Mielke, D. Das +18
Unconventional superconductors often feature competing orders, small superfluid density, and nodal electronic pairing. While unusual superconductivity has been proposed in the kago…
Electron-phonon coupling in the charge density wave state of CsVSb
Yaofeng Xie, Yongkai Li, Philippe Bourges +9
Metallic materials with kagome lattice structure are interesting because their electronic structures can host flat bands, Dirac cones, and van Hove singularities, resulting in stro…
Spatial symmetry constraint of charge-ordered kagome superconductor CsVSb
Haoxiang Li, Yu-Xiao Jiang, J. X. Yin +15
Elucidating the symmetry of intertwined orders in exotic superconductors is at the quantum frontier. Recent surface sensitive studies of the topological kagome superconductor CsV$_…
Kagome superconductors AVSb (A=K, Rb, Cs)
Kun Jiang, Tao Wu, Jia-Xin Yin +5
The quasi two-dimensional (quasi-2D) kagome materials AVSb (A=K, Rb, Cs) were found to be a prime example of kagome superconductors, a new quantum platform to investigate t…
Helicoid-arc van Hove singularities in topological chiral crystals
Daniel S. Sanchez, Tyler A. Cochran, Ilya Belopolski +14
Van Hove singularity are electronic instabilities that lead to many fascinating interactions, such as superconductivity and charge-density waves. And despite much interest, the nex…
Geometry of the charge density wave in kagom metal AVSb
H. Miao, H. X. Li, W. R. Meier +10
Kagom lattice is a fertile platform for topological and intertwined electronic excitations. Recently, experimental evidence of an unconventional charge density wave (CDW) is o…
Weyl, Dirac and high-fold chiral fermions in topological quantum materials
M. Zahid Hasan, Guoqing Chang, Ilya Belopolski +3
Quantum materials hosting Weyl fermions have opened a new era of research in condensed matter physics. First proposed in 1929 in particle physics, Weyl fermions have yet to be obse…
Putative helimagnetic phase in the kagome metal Co_3Sn_2-xIn_xS_2
Z. Guguchia, H. Zhou, C. N. Wang +12
The exploration of topological electronic phases that result from strong electronic correlations is a frontier in condensed matter physics. One class of systems that is currently e…
Intriguing magnetism of the topological kagome magnet TbMn_6Sn_6
C. Mielke, W. Ma, V. Pomjakushin +24
Magnetic topological phases of quantum matter are an emerging frontier in physics and material science. Along these lines, several kagome magnets have appeared as the most promisin…
Rare earth engineering in RMnSn topological kagome magnets
Wenlong Ma, Xitong Xu, Jia-Xin Yin +8
Exploration of the topological quantum materials with electron correlation is at the frontier of physics, as the strong interaction may give rise to new topological phases and tran…
Fermion-boson many-body interplay in a frustrated kagome paramagnet
J. -X. Yin, Nana Shumiya, Sougata Mardanya +22
Kagome-net, appearing in areas of fundamental physics, materials, photonic and cold-atom systems, hosts frustrated fermionic and bosonic excitations. However, it is extremely rare…
Many-body Resonance in a Correlated Topological Kagome Antiferromagnet
Songtian S. Zhang, Jia-Xin Yin, Muhammad Ikhlas +16
We use scanning tunneling microscopy/spectroscopy (STM/S) to elucidate the atomically resolved electronic structure in strongly correlated topological kagome magnet MnSn. In st…
Observation of Weyl fermions in a magnetic non-centrosymmetric crystal
Daniel S. Sanchez, Guoqing Chang, Ilya Belopolski +15
Characterized by the absence of inversion symmetry, non-centrosymmetric materials are of great interest because they exhibit ferroelectricity, second harmonic generation, emergent…
Discovery of a quantum limit Chern magnet TbMn6Sn6
Jia-Xin Yin, Wenlong Ma, Tyler A. Cochran +23
The quantum level interplay between geometry, topology, and correlation is at the forefront of fundamental physics. Owing to the unusual lattice geometry and breaking of time-rever…
Time-reversal invariant and fully gapped unconventional superconducting state in the bulk of the topological Nb0.25Bi2Se3
Debarchan Das, K. Kobayashi, M. P. Smylie +9
Recently, the niobium (Nb)-doped topological insulator Bi_2Se_3, in which the finite magnetic moments of the Nb atoms are intercalated in the van der Waals gap between the Bi_2Se_3…
Visualizing higher-fold topology in chiral crystals
Tyler A Cochran, Ilya Belopolski, Kaustuv Manna +21
Novel topological phases of matter are fruitful platforms for the discovery of unconventional electromagnetic phenomena. Higher-fold topology is one example, where the low-energy d…