651 citations · 1.7k across the 29 of their papers we have counts for
30 papers
Emergent Surface Kondo Flat Band Driven by Competing Interactions in a Topological Ferromagnet
Nazar Zaremba, Susmita Changdar, Haojie Guo +28
A central goal of modern condensed matter physics is to uncover new quantum states of matter arising from the intertwined effects of strong electron correlations, magnetism, and ba…
Identifying open-orbit topological surface states in dual topological semimetal TaSb
Susmita Changdar, Heike Schlörb, Oleksandr Suvorov +8
TaSb, a member of the transition metal dipnictide family of materials, hosts the very rare dual topological phase - weak topological insulating state and topological crystallin…
Strongly Entangled Kondo and Kagome Lattices and the Emergent Magnetic Ground State in Heavy-Fermion Kagome Metal YbVSn
Rui Lou, Max Mende, Riccardo Vocaturo +31
Applying angle-resolved photoemission spectroscopy and density functional theory calculations, we present compelling spectroscopic evidence demonstrating the intertwining and mutua…
Three prerequisites for high-temperature superconductivity in t-PtBi
Andrii Kuibarov, Susmita Changdar, Riccardo Vocaturo +9
Although the generic mechanism behind high-temperature superconductivity remains notoriously elusive, a set of favorable conditions for its occurrence in a given material has emerg…
Measuring superconducting arcs by ARPES
Andrii Kuibarov, Susmita Changdar, Alexander Fedorov +8
Angle-resolved photoemission spectroscopy is the leading tool for studying the symmetry and structure of the order parameter in superconductors. The recent improvement of the techn…
Orbital-selective band modifications in a charge-ordered kagome metal LuNbSn
Rui Lou, Yumeng Zhang, Erjian Cheng +19
The origin of the charge order in kagome lattice materials has attracted great interest due to the unique electronic structure features connected to kagome networks and the interpl…
Accessing quasi-flat -bands to harvest large Berry curvature in NdGaSi
Anyesh Saraswati, Jyotirmoy Sau, Vera Misheneva +10
In typical rare-earth lanthanide compounds, the localized 4\textit{f}-electrons have a weak effect on the electrical conduction, limiting their influence on the Berry curvature and…
Striped magnetization plateau and chirality-reversible anomalous Hall effect in a magnetic kagome metal
Erjian Cheng, Ning Mao, Xiaotian Yang +19
Kagome materials with magnetic frustration in two-dimensional networks are known for their exotic properties, such as the anomalous Hall effect (AHE) with non-collinear spin textur…
Orbital-selective effect of spin reorientation on the Dirac fermions in a non-charge-ordered kagome ferromagnet FeGe
Rui Lou, Liqin Zhou, Wenhua Song +13
Kagome magnets provide a fascinating platform for the realization of correlated topological quantum phases under various magnetic ground states. However, the effect of the magnetic…
Superconducting Arcs
Andrii Kuibarov, Oleksandr Suvorov, Riccardo Vocaturo +12
An essential ingredient for the production of Majorana fermions that can be used for quantum computing is the presence of topological superconductivity. As bulk topological superco…
Signature of weakly coupled electrons and conduction electrons in magnetic Weyl semimetal candidates PrAlSi and SmAlSi
Rui Lou, Alexander Fedorov, Lingxiao Zhao +3
Magnetic topological materials are a class of compounds with the underlying interplay of nontrivial band topology and magnetic spin configuration. Extensive interests have been aro…
Tunable positions of Weyl nodes via magnetism and pressure in the ferromagnetic Weyl semimetal CeAlSi
Erjian Cheng, Limin Yan, Xianbiao Shi +15
The noncentrosymmetric ferromagnetic Weyl semimetal CeAlSi with simultaneous space-inversion (SI) and time-reversal (TR) symmetry breaking provides a unique platform for the explor…
Suppression of nematicity by tensile strain in multilayer FeSe/SrTiO films
Rui Lou, Oleksandr Suvorov, Hans-Joachim Grafe +6
The nematicity in multilayer FeSe/SrTiO films has been previously suggested to be enhanced with decreasing film thickness. Motivated by this, there have been many discussions a…
Emergence of Fermi arcs and novel magnetic splitting in an antiferromagnet
Benjamin Schrunk, Yevhen Kushnirenko, Brinda Kuthanazhi +14
The Fermi arcs are signatures of exotic states in solids because they defy conventional concept of Fermi surfaces as closed contours in momentum space. Fermi arcs were first discov…
Electronic structure and open-orbit Fermi surface topology in isostructural semimetals NbAs and WAs with extremely large magnetoresistance
Rui Lou, Yiyan Wang, Lingxiao Zhao +11
In transition-metal dipnictides ( = Ta, Nb; = P, As, Sb), the origin of extremely large magnetoresistance (XMR) is yet to be studied by the direct visualization o…
Electronic structure and signature of Tomonaga-Luttinger liquid state in epitaxial CoSb nanoribbons
Rui Lou, Minyinan Lei, Wenjun Ding +12
Recently, monolayer CoSb/SrTiO has been proposed as a candidate harboring interfacial superconductivity in analogy with monolayer FeSe/SrTiO. Experimentally, while the CoSb…
Charge-Density-Wave-Induced Peak-Dip-Hump Structure and the Multiband Superconductivity in a Kagome Superconductor CsVSb
Rui Lou, Alexander Fedorov, Qiangwei Yin +7
The entanglement of charge density wave (CDW), superconductivity, and topologically nontrivial electronic structure has recently been discovered in the kagome metal VSb…
Topological phase transition between distinctWeyl semimetal states in MoTe2
Anmin Zhang, Xiaoli Ma, Changle Liu +10
We present experimental evidence of an intriguing phase transition between distinct topological states in the type-II Weyl semimetal MoTe2. We observe anomalies in the Raman phonon…
Experimental observation of bulk nodal lines and electronic surface states in ZrB
Rui Lou, Pengjie Guo, Man Li +14
Topological nodal-line semimetals are characterized by the line-contact bulk band crossings and the topological surface states. Breaking certain protecting symmetry turns this syst…
Large intrinsic anomalous Hall effect in half-metallic ferromagnet Co3Sn2S2 with magnetic Weyl fermions
Qi Wang, Yuanfeng Xu, Rui Lou +7
The origin of anomalous Hall effect (AHE) in magnetic materials is one of the most intriguing aspect in condensed matter physics and has been controversial for a long time. Recent…
Experimental Observation of Dirac Nodal Links in Centrosymmetric Semimetal TiB
Zhonghao Liu, Rui Lou, Pengjie Guo +9
The topological nodal-line semimetal state, serving as a fertile ground for various topological quantum phases, where a topological insulator, Dirac semimetal, or Weyl semimetal ca…
Observation of Open-Orbit Fermi Surface Topology in Extremely Large Magnetoresistance Semimetal MoAs
R. Lou, Y. F. Xu, L. -X. Zhao +14
While recent advances in band theory and sample growth have expanded the series of extremely large magnetoresistance (XMR) semimetals in transition metal dipnictides (…
Observation of oscillatory relaxation in the Sn-terminated surface of epitaxial rock-salt SnSe topological crystalline insulator
Wencan Jin, Suresh Vishwanath, Jianpeng Liu +20
Topological crystalline insulators have been recently predicted and observed in rock-salt structure SnSe thin films. Previous studies have suggested that the Se-terminate…
Evidence of topological insulator state in the semimetal LaBi
R. Lou, B. -B. Fu, Q. N. Xu +17
By employing angle-resolved photoemission spectroscopy combined with first-principles calculations, we performed a systematic investigation on the electronic structure of LaBi, whi…