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Measurements of the quantum geometric tensor in solids
Mingu Kang, Sunje Kim, Yuting Qian +15
Understanding the geometric properties of quantum states and their implications in fundamental physical phenomena is at the core of modern physics. The Quantum Geometric Tensor (QG…
Large anomalous Hall effect in single crystals of the kagome Weyl ferromagnet FeSn
Bishnu P. Belbase, Linda Ye, Bishnu Karki +5
The material class of kagome metals has rapidly grown and has been established as a field to explore the interplay between electronic topology and magnetism. In this work, we repor…
Crystal Net Catalog of Model Flat Band Materials
Paul M. Neves, Joshua P. Wakefield, Shiang Fang +3
Flat band systems are currently under intense investigation in quantum materials, optical lattices, and metamaterials. These efforts are motivated by potential realization of stron…
Spin wavepackets in the Kagome ferromagnet FeSn: propagation and precursors
Changmin Lee, Yue Sun, Linda Ye +6
The propagation of spin waves in magnetically ordered systems has emerged as a potential means to shuttle quantum information over large distances. Conventionally, the arrival time…
Field-dependent Shubnikov-de Haas oscillations in ferromagnetic Weyl semimetal Co3Sn2S2
Linda Ye, Jorge I. Facio, Madhav P. Ghimire +6
We report a study of Shubnikov-de Haas oscillations in high quality single crystals of ferromagnetic Weyl semimetal CoSnS. The Fermi surfaces resolved in our experiment…
A flat band-induced correlated kagome metal
Linda Ye, Shiang Fang, Min Gu Kang +11
The notion of an electronic flat band refers to a collectively degenerate set of quantum mechanical eigenstates in periodic solids. The vanishing kinetic energy of flat bands relat…
Ferromagnetic helical nodal line and Kane-Mele spin-orbit coupling in kagome metal Fe3Sn2
Shiang Fang, Linda Ye, Madhav Prasad Ghimire +8
The two-dimensional kagome lattice hosts Dirac fermions at its Brillouin zone corners K and K', analogous to the honeycomb lattice. In the density functional theory electronic stru…
Second harmonic generation as a probe of broken mirror symmetry
Bryan T. Fichera, Anshul Kogar, Linda Ye +4
The notion of spontaneous symmetry breaking has been used to describe phase transitions in a variety of physical systems. In crystalline solids, the breaking of certain symmetries,…
Ultrafast manipulation of mirror domain walls in a charge density wave
Alfred Zong, Xiaozhe Shen, Anshul Kogar +11
Domain walls (DWs) are singularities in an ordered medium that often host exotic phenomena such as charge ordering, insulator-metal transition, or superconductivity. The ability to…
Massive Dirac fermions in a ferromagnetic kagome metal
Linda Ye, Mingu Kang, Junwei Liu +10
The kagome lattice is a two-dimensional network of corner-sharing triangles known as a platform for exotic quantum magnetic states. Theoretical work has predicted that the kagome l…
Extreme Magnetoresistance in Magnetic Rare Earth Monopnictides
Linda Ye, Takehito Suzuki, Christina R. Wicker +1
The acute sensitivity of the electrical resistance of certain systems to magnetic fields known as extreme magnetoresistance (XMR) has recently been explored in a new materials cont…
Electronic Transport on the Shastry-Sutherland Lattice in Ising-type Rare Earth Tetraborides
Linda Ye, Takehito Suzuki, Joseph. G. Checkelsky
In the presence of a magnetic field frustrated spin systems may exhibit plateaus at fractional values of saturation magnetization. Such plateau states are stabilized by classical a…
Transport Signatures of Fermi Surface Topology Change in BiTeI
Linda Ye, Joseph G. Checkelsky, Fumitaka Kagawa +1
We report a quantum magnetotransport signature of a change in Fermi surface topology in the Rashba semiconductor BiTeI with systematic tuning of the Fermi level . Beyond the q…