papers

Publications (25)

cond-mat.str-el2025

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…

cond-mat.str-el2025

Electronic band structures of topological kagome materials

Man Li, Huan Ma, Rui Lou +1

The kagome lattice has garnered significant attention due to its ability to host quantum spin Fermi liquid states. Recently, the combination of unique lattice geometry, electron-el…

cond-mat.mtrl-sci2017

Magnetoresistance and Shubnikov-de Hass oscillation in YSb

Qiao-He Yu, Yi-Yan Wang, Rui Lou +5

YSb crystals are grown and the transport properties under magnetic field are measured. The resistivity exhibits metallic behavior under zero magnetic field and the low temperature…

cond-mat.mtrl-sci2026

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…

cond-mat.mtrl-sci2019

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…

cond-mat.supr-con2025

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…

cond-mat.mtrl-sci2018

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…

cond-mat.supr-con2023

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…

cond-mat.mtrl-sci2022

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…

cond-mat.supr-con2023

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…

cond-mat.str-el2022

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…

cond-mat.str-el2016

Sudden gap-closure across the topological phase transition in BiInSe

Rui Lou, Zhonghao Liu, Wencan Jin +10

The phase transition from a topological insulator to a trivial band insulator is studied by angle-resoled photoemission spectroscopy on BiInSe single crystals.…

cond-mat.str-el2024

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…

cond-mat.str-el2016

Interplay between multiple charge-density waves and the relationship with superconductivity in PdHoTe

Rui Lou, Yipeng Cai, Zhonghao Liu +10

HoTe, a member of the rare-earth tritelluride (Te) family, and its Pd-intercalated compounds, PdHoTe, where superconductivity (SC) sets in as the charge-de…

cond-mat.mtrl-sci2026

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…

cond-mat.supr-con2022

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

cond-mat.supr-con2025

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…

cond-mat.mtrl-sci2023

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…

cond-mat.str-el2021

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…

cond-mat.mtrl-sci2023

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…

cond-mat.str-el2025

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…

cond-mat.mtrl-sci2017

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…

cond-mat.str-el2017

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…

cond-mat.str-el2024

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…

cond-mat.mtrl-sci2018

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…