81 citations · 185 across the 26 of their papers we have counts for
26 papers
Hysteretic Coherence Collapse Across the First Order CDW Transition in 1T-TaS2
Turgut Yilmaz, Anil Rajapitamahuni, Asish K. Kundu +2
The first order phase transition between the nearly commensurate (NC-CDW) and commensurate (C-CDW) charge density wave phases in 1T-TaS2 underpins its exotic electronic behavior, y…
Incommensurate spin fluctuations in one-dimensional Kondo metal CeCo2Ga8
Yixuan Huang, P. Murgatroyd, Yi Wu +15
We present an experimental and numerical study of the spin fluctuations in 1D Kondo metal CeCoGa. Using inelastic neutron spectroscopy, we measure highly one-dimensional ma…
Direct Evidence for Robust Bulk Band Gap Across the Charge Density Wave Transition in TiSe2
Turgut Yilmaz, Anil Rajapitamahuni, Muhammad Awais Fiaz +7
The mechanism driving the charge density wave (CDW) transition in TiSe2 has been debated for decades, with proposals ranging from an excitonic insulator to a lattice-driven instabi…
Proximity-induced charge transfer, strain and magnetic exchange in graphene/CrSBr heterostructure
Asish K. Kundu, Anil Rajapitamahuni, Niraj Aryal +8
Stacking van der Waals materials provides a powerful route to engineer emergent electronic and magnetic behaviors through proximity-driven interactions. The graphene/CrSBr heterost…
Symmetry-Selective Stabilization of Charge-Density Wave in ScVSn
A. Korshunov, C. -Y. Lim, J. Corral-Sertal +10
Charge-density-wave (CDW) order in kagome metals is highly sensitive to external tuning parameters such as chemical substitution and hydrostatic pressure, which generally suppress…
Equilibrium Stabilization of a Hidden Phase Like Metallic State in 1T-TaS2
Turgut Yilmaz, Anil Rajapitamahuni, Suji Park +3
Electronic phases that lie outside the equilibrium ground state offer a route to explore competing configurations in correlated materials. In 1T-TaS2, ultrafast excitation accesses…
Emergent surface resonance from charge density wave symmetry breaking in TiSe2
Turgut Yilmaz, Yi Sheng Ng, Muhammad Awais Fiaz +13
Surface confined electronic states provide a fertile ground for discovering emergent phenomena that have no counterpart in the bulk, offering new routes to manipulate correlations,…
Electronic Coherence Evolution at the Nearly Commensurate Incommensurate CDW Boundary of 1T-TaS2
Turgut Yilmaz, Yi Sheng Ng, Menka Jain +7
Transition metal dichalcogenides host a variety of charge density wave phases that couple lattice, charge, and correlation effects. In 1T-TaS2, the commensurate and nearly commensu…
Intercalation induced quasi-freestanding layer in TiSe
Turgut Yilmaz, Yi Sheng Ng, Anil Rajapitamahuni +4
Angle-resolved photoemission spectroscopy is employed to study the electronic structure of bulk TiSe2 before and after doping with potassium impurities. A splitting in the conducti…
Robust Orbital-Selective Flat Bands in Transition-Metal Oxychlorides
Xiangyu Luo, Ludovica Zullo, Sahaj Patel +10
Flat electronic bands, which amplify electron correlations by quenching kinetic energy, provide an ideal foundation for exotic quantum phases. However, prevailing strategies -- inc…
Resonant diffraction and photoemission inconsistent with altermagnetism in epitaxial RuO films
Benjamin Z. Gregory, Neha Wadehra, Shuyuan Zhang +15
Excitement about the magnetic and electronic properties of RuO is growing, fueled by reports of antiferromagnetism, strain-induced superconductivity, and its recent classificat…
Coexisting Kagome and Heavy Fermion Flat Bands in YbCrGe
Hanoh Lee, Churlhi Lyi, Taehee Lee +16
Flat bands, emergent in strongly correlated electron systems, stand at the frontier of condensed matter physics, providing fertile ground for unconventional quantum phases. Recent…
Single crystalline orthorhombic GdAlGe as a rare earth magnetic Dirac nodal-line metal
Antu Laha, Juntao Yao, Asish K. Kundu +11
Crystal engineering is a method for discovering new quantum materials and phases, which may be achieved by external pressure or strain. Chemical pressure is unique in that it gener…
Magnetoelastic coupling in intercalated transition metal dichalcogenides
A. Kar, R. Basak, Xue Li +27
The large van der Waals gap in transition metal dichalcogenides (TMDs) offers an avenue to host external metal atoms that modify the ground state of these 2D materials. Here, we ex…
Kramers nodal lines in intercalated TaS superconductors
Yichen Zhang, Yuxiang Gao, Aki Pulkkinen +24
Kramers degeneracy is one fundamental embodiment of the quantum mechanical nature of particles with half-integer spin under time reversal symmetry. Under the chiral and noncentrosy…
Formation of Frustrated Charge Density Waves in Kagome Metal LuNbSn
F. Z. Yang, X. Huang, Hengxin Tan +14
The charge density wave (CDW), a translational symmetry breaking electronic liquid, plays a pivotal role in correlated quantum materials, such as high-T superconductors and top…
Hund flat band in a frustrated spinel oxide
Dongjin Oh, Alexander Hampel, Joshua P. Wakefield +26
Electronic flat bands associated with quenched kinetic energy and heavy electron mass have attracted great interest for promoting strong electronic correlations and emergent phenom…
Persistent flat band splitting and strong selective band renormalization in a kagome magnet thin film
Zheng Ren, Jianwei Huang, Hengxin Tan +21
Magnetic kagome materials provide a fascinating playground for exploring the interplay of magnetism, correlation and topology. Many magnetic kagome systems have been reported inclu…
Charge Density Waves and the Effects of Uniaxial Strain on the Electronic Structure of 2H-NbSe
Asish K. Kundu, Anil Rajapitamahuni, Elio Vescovo +3
Interplay of superconductivity and density wave orders has been at the forefront of research of correlated electronic phases for a long time. 2H-NbSe is considered to be a prot…
Inconsistencies between experimental and theoretical band structure of TiSe
Turgut Yilmaz, Anil Rajapitamahuni, Elio Vescovo
Renew interest in the charge density wave phase of TiSe stems from the realization of its unique driving mechanism, the so called excitonic insulator phase. Existing claims are…
Frustrated hopping from orbital decoration of a primitive two-dimensional lattice
Aravind Devarakonda, Christie S. Koay, Daniel G. Chica +18
Materials hosting flat electronic bands are a central focus of condensed matter physics as promising venues for novel electronic ground states. Two-dimensional (2D) geometrically f…
Signature of Orbital Driven Finite Momentum Pairing in a 3D Ising Superconductor
F. Z. Yang, H. D. Zhang, Saswata Mandal +15
The finite momentum superconducting pairing states (FMPs), where Cooper pairs carry non-zero momentum, are believed to give rise to exotic physical phenomena including the pseudoga…
Electronic structure, magnetic and transport properties of antiferromagnetic Weyl semimetal GdAlSi
Antu Laha, Asish K. Kundu, Niraj Aryal +12
We report the topological electronic structure, magnetic, and magnetotransport properties of a noncentrosymmetric compound GdAlSi. Magnetic susceptibility shows an antiferromagneti…
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…