754 citations · 2.1k across the 18 of their papers we have counts for
18 papers
Quantum Process Tomography of a Thermal Alkali-Metal Vapor
Yujie Sun, Marek Kopciuch, Arash Dezhang Fard +1
Characterizing the open-system dynamics of multilevel quantum systems (qudits) remains a fundamental challenge due to ensemble inhomogeneities and complex environmental interaction…
Ambient-pressure superconductivity onset above 40 K in bilayer nickelate ultrathin films
Guangdi Zhou, Wei Lv, Heng Wang +8
The discovery of bilayer nickelate superconductors under high pressure has opened a new chapter in high-transition temperature (high-TC) superconductivity. Here, we report ambient-…
Isolating Pure Quadratic Zeeman Splitting
Arash Dezhang Fard, Marek Kopciuch, Yujie Sun +2
Nonlinear magnetic interactions provide access to complex quantum spin dynamics and thus enable the study of intriguing physical phenomena. However, these interactions are often do…
Discovery of a metallic room-temperature d-wave altermagnet KV2Se2O
Bei Jiang, Mingzhe Hu, Jianli Bai +19
Beyond conventional ferromagnetism and antiferromagnetism, altermagnetism is a recently discovered unconventional magnetic phase characterized by time-reversal symmetry breaking an…
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…
Evolution of the strange-metal scattering in momentum space of electron-doped
Cenyao Tang, Zefeng Lin, Shunye Gao +12
The linear-in-temperature resistivity is one of the important mysteries in the strange metal state of high-temperature cuprate superconductors. To uncover this anomalous property,…
Identifying -wave pairing symmetry in single-layer FeSe from topologically trivial edge states
Zhongxu Wei, Shengshan Qin, Cui Ding +4
Determining the pairing symmetry of single-layer FeSe on SrTiO is the key to understanding the enhanced pairing mechanism; furthermore, it guides exploring new superconductors…
Charge instability of topological Fermi arcs in chiral crystal CoSi
Zhicheng Rao, Quanxin Hu, Shangjie Tian3 +17
Topological boundary states, emerged at the spatial boundary between topological non-trivial and trivial phases, are usually gapless, or commonly referred as metallic states. For e…
Quasiparticle Interference Evidence of the Topological Fermi Arc States in Chiral Fermionic Semimetal CoSi
Qian-Qian Yuan, Liqin Zhou, Zhi-Cheng Rao +13
Chiral fermions in solid state feature "Fermi arc" states, connecting the surface projections of the bulk chiral nodes. The surface Fermi arc is a signature of nontrivial bulk topo…
Chiral fermion reversal in chiral crystals
Hang Li, Sheng Xu, Zhi-Cheng Rao +13
In materials chiral fermions such as Weyl fermions are characterized by nonzero chiral charges, which are singular points of Berry curvature in momentum space. Recently, new types…
Anomalous doping evolution of nodal dispersion revealed by in-situ ARPES on continuously doped cuprates
Yigui Zhong, Jianyu Guan, Jin Zhao +9
We study the systematic doping evolution of nodal dispersions by in-situ angle-resolved photoemission spectroscopy on the continuously doped surface of a high-temperature supercond…
Experimental evidence of anomalously large superconducting gap on topological surface state of - film
J. -Y. Guan, L. -Y. Kong, L. -Q. Zhou +12
Connate topological superconductor (TSC) combines topological surface states with nodeless superconductivity in a single material, achieving effective -wave pairing without inte…
New classes of chiral topological nodes with non-contractible surface Fermi arcs in CoSi
Z. -C. Rao, H. Li, T. -T. Zhang +18
In condensed matter systems, chiral topological nodes are robust band crossing points in momentum space that carry nonzero Chern numbers. The chirality is manifested by the presenc…
Observation of half-integer level shift of vortex bound states in an iron-based superconductor
Lingyuan Kong, Shiyu Zhu, Michał Papaj +14
Vortices in topological superconductors host Majorana zero modes (MZMs), which are proposed to be building blocks of fault-tolerant topological quantum computers. Recently, a new s…
Evidence for Majorana bound state in an iron-based superconductor
Dongfei Wang, Lingyuan Kong, Peng Fan +12
The search for Majorana bound state (MBS) has recently emerged as one of the most active research areas in condensed matter physics, fueled by the prospect of using its non-Abelian…
FeTeSe monolayer films: towards the realization of high-temperature connate topological superconductivity
Xun Shi, Zhiqing Han, Pierre Richard +7
We performed angle-resolved photoemission spectroscopy studies on a series of FeTeSe monolayer films grown on SrTiO. The superconductivity of the films is robus…
Enhanced superconductivity accompanying a Lifshitz transition in electron-doped FeSe monolayer
X. Shi, Z. -Q. Han, X. -L. Peng +8
The origin of enhanced superconductivity over 50 K in the recently discovered FeSe monolayer films grown on SrTiO (STO), as compared to 8 K in bulk FeSe, is intensely debated…
Evolution of electronic states in n-type copper oxide superconductor via electric double layer gating
Kui Jin, Wei Hu, Beiyi Zhu +6
Since the discovery of n-type copper oxide superconductors, the evolution of electron- and hole-bands and its relation to the superconductivity have been seen as a key factor in un…