Magnetism and charge density wave order in kagome FeGe

X Teng, JS Oh, H Tan, L Chen, J Huang, B Gao, JX Yin… - Nature physics, 2023 - nature.com
Electron correlations often lead to emergent orders in quantum materials, and one example
is the kagome lattice materials where topological states exist in the presence of strong …

Neutron scattering in the proximate quantum spin liquid α-RuCl3

A Banerjee, J Yan, J Knolle, CA Bridges, MB Stone… - Science, 2017 - science.org
The Kitaev quantum spin liquid (KQSL) is an exotic emergent state of matter exhibiting
Majorana fermion and gauge flux excitations. The magnetic insulator α-RuCl3 is thought to …

Majorana fermions in the Kitaev quantum spin system α-RuCl3

SH Do, SY Park, J Yoshitake, J Nasu, Y Motome… - Nature Physics, 2017 - nature.com
Geometrical constraints to the electronic degrees of freedom within condensed-matter
systems often give rise to topological quantum states of matter such as fractional quantum …

Continuous excitations of the triangular-lattice quantum spin liquid YbMgGaO4

JAM Paddison, M Daum, Z Dun, G Ehlers, Y Liu… - Nature Physics, 2017 - nature.com
A quantum spin liquid (QSL) is an exotic state of matter in which electrons' spins are
quantum entangled over long distances, but do not show magnetic order in the zero …

Two-dimensional overdamped fluctuations of the soft perovskite lattice in CsPbBr3

T Lanigan-Atkins, X He, MJ Krogstad, DM Pajerowski… - Nature materials, 2021 - nature.com
Lead halide perovskites exhibit structural instabilities and large atomic fluctuations thought
to impact their optical and thermal properties, yet detailed structural and temporal …

[HTML][HTML] The cold neutron chopper spectrometer at the Spallation Neutron Source—A review of the first 8 years of operation

G Ehlers, AA Podlesnyak, AI Kolesnikov - Review of Scientific …, 2016 - pubs.aip.org
The first eight years of operation of the Cold Neutron Chopper Spectrometer (CNCS) at the
Spallation Neutron Source in Oak Ridge is being reviewed. The instrument has been part of …

Direct observation of topological magnon polarons in a multiferroic material

S Bao, ZL Gu, Y Shangguan, Z Huang, J Liao… - Nature …, 2023 - nature.com
Magnon polarons are novel elementary excitations possessing hybrid magnonic and
phononic signatures, and are responsible for many exotic spintronic and magnonic …

Spin-charge-lattice coupling across the charge density wave transition in a kagome lattice antiferromagnet

X Teng, DW Tam, L Chen, H Tan, Y **e, B Gao… - Physical Review Letters, 2024 - APS
Understanding spin and lattice excitations in a metallic magnetic ordered system forms the
basis to unveil the magnetic and lattice exchange couplings and their interactions with …

Resonance from antiferromagnetic spin fluctuations for superconductivity in UTe2

C Duan, RE Baumbach, A Podlesnyak, Y Deng, C Moir… - Nature, 2021 - nature.com
Superconductivity originates from the formation of bound (Cooper) pairs of electrons that can
move through the lattice without resistance below the superconducting transition …

Topological magnon band structure of emergent Landau levels in a skyrmion lattice

T Weber, DM Fobes, J Waizner, P Steffens, GS Tucker… - Science, 2022 - science.org
The motion of a spin excitation across topologically nontrivial magnetic order exhibits a
deflection that is analogous to the effect of the Lorentz force on an electrically charged …