740 citations · 6.7k across the 71 of their papers we have counts for
72 papers
Charge density wave in a band insulator
Md Shafayat Hossain, Wenhao Liu, Yuqi Zhang +20
Charge density wave (CDW) implies a periodic modulation of the charge density. Typically observed in metallic systems, CDWs arise from Fermi surface instabilities, resulting in the…
Observation of a spin-textured nematic Kondo lattice
Yu-Xiao Jiang, Zi-Jia Cheng, Qiaozhi Xu +10
The Kondo lattice mode, as one of the most fundamental models in condensed matter physics, has been employed to describe a wide range of quantum materials such as heavy fermions, t…
Wavefunction-Free Approach for Predicting Nonlinear Responses in Weyl Semimetals
Mohammad Yahyavi, Ilya Belopolski, Yuanjun Jin +15
By sidestepping the intractable calculations of many-body wavefunctions, density functional theory (DFT) has revolutionized the prediction of ground states of materials. However, p…
Broken symmetries associated with a Kagome chiral charge order
Zi-Jia Cheng, Md Shafayat Hossain, Qi Zhang +17
Chirality or handedness manifests in all fields of science, ranging from cell biology, molecular interaction, and catalysis to different branches of physics. In condensed matter ph…
Unconventional gapping behavior in a kagome superconductor
Md Shafayat Hossain, Qi Zhang, Eun Sang Choi +19
Determining the types of superconducting order in quantum materials is a challenge, especially when multiple degrees of freedom, such as bands or orbitals, contribute to the fermio…
A topological Hund nodal line antiferromagnet
Xian P. Yang, Yueh-Ting Yao, Pengyu Zheng +21
The interplay of topology, magnetism, and correlations gives rise to intriguing phases of matter. In this study, through state-of-the-art angle-resolved photoemission spectroscopy,…
Van-Hove annihilation and nematic instability on a Kagome lattice
Yu-Xiao Jiang, Sen Shao, Wei Xia +20
Novel states of matter arise in quantum materials due to strong interactions among electrons. A nematic phase breaks the point group symmetry of the crystal lattice and is known to…
Discovery of a Topological Charge Density Wave
Maksim Litskevich, Md Shafayat Hossain, Songbo Zhang +21
Charge density waves (CDWs) appear in numerous condensed matter platforms, ranging from high-Tc superconductors to quantum Hall systems. Despite such ubiquity, there has been a lac…
Discovery of a hybrid topological quantum state in an elemental solid
Md Shafayat Hossain, Frank Schindler, Rajibul Islam +17
Topology and interactions are foundational concepts in the modern understanding of quantum matter. Their nexus yields three significant research directions: competition between dis…
Discovery of a topological exciton insulator with tunable momentum order
Md Shafayat Hossain, Tyler A. Cochran, Yu-Xiao Jiang +27
Correlated topological materials often maintain a delicate balance among physical symmetries: many topological orders are symmetry protected, while most correlated phenomena arise…
Transport response of topological hinge modes in -BiBr
Md Shafayat Hossain, Qi Zhang, Zhiwei Wang +19
Electronic topological phases are renowned for their unique properties, where conducting surface states exist on the boundary of an insulating three-dimensional bulk. While the tra…
Topological chiral kagome lattice
Jing-Yang You, Xiaoting Zhou, Tao Hou +8
Chirality, a fundamental structural property of crystals, can induce many unique topological quantum phenomena. In kagome lattice, unconventional transports have been reported unde…
Examining the possibility of chiral superconductivity in SrRuO and other compounds via applied supercurrent
Hao-Tian Liu, Weipeng Chen, Jia-Xin Yin +2
One approach to probe the still controversial superconductivity in SrRuO is to apply external perturbations that break the underlying tetragonal crystalline symmetry. Chira…
Phonon promoted charge density wave in topological kagome metal ScVSn
Yong Hu, Junzhang Ma, Yinxiang Li +21
Charge density wave (CDW) orders in vanadium-based kagome metals have recently received tremendous attention due to their unique properties and intricate interplay with exotic corr…
Observation of Flat Bands and Dirac Cones in a Pyrochlore Lattice Superconductor
Jianwei Huang, Chandan Setty, Liangzi Deng +21
Emergent phases often appear when the electronic kinetic energy is comparable to the Coulomb interactions. One approach to seek material systems as hosts of such emergent phases is…
Theory for charge density wave and orbital-flux state in antiferromagnetic kagome metal FeGe
Hai-Yang Ma, Jia-Xin Yin, M. Zahid Hasan +1
In this work, we theoretically study the charge order and orbital magnetic properties of a new type of antiferromagnetic kagome metal FeGe. Based on first principles density functi…
Observation of Kondo lattice and Kondo-enhanced anomalous Hall effect in an itinerant ferromagnet
Zi-Jia Cheng, Yuqing Huang, Pengyu Zheng +20
The interplay between Kondo screening and magnetic interactions is central to comprehending the intricate phases in heavy-fermion compounds. However, the role of the itinerant magn…
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…
Imaging real-space flat band localization in kagome magnet FeSn
Daniel Multer, Jia-Xin Yin, Md. Shafayat Hossain +12
Kagome lattices host flat bands due to their frustrated lattice geometry, which leads to destructive quantum interference of electron wave functions. Here, we report imaging of the…
Topological kagome magnets and superconductors
Jia-Xin Yin, Biao Lian, M Zahid Hasan
A kagome lattice naturally features Dirac fermions, flat bands and van Hove singularities in its electronic structure. The Dirac fermions encode topology, flat bands favour correla…
Evidence for electronic signature of magnetic transition in topological magnet HoSbTe
Nana Shumiya, Jia-Xin Yin, Guoqing Chang +11
Topological insulators with intrinsic magnetic order are emerging as an exciting platform to realize fundamentally new excitations from topological quantum states of matter. To stu…
Intertwining of magnetism and charge ordering in kagome FeGe
Sen Shao, Jia-Xin Yin, Ilya Belopolski +11
Recent experiments report a charge density wave (CDW) in the antiferromagnet FeGe, but the nature of the charge ordering and the associated structural distortion remains elusive. W…