[HTML][HTML] Stabilization mechanisms of magnetic skyrmion crystal and multiple-Q states based on momentum-resolved spin interactions

S Hayami, R Yambe - Materials Today Quantum, 2024 - Elsevier
Multiple-Q states as represented by a magnetic skyrmion crystal and hedgehog crystal have
been extensively studied in recent years owing to their unconventional physical properties …

Experimental progress in Eu (Al, Ga) 4 topological antiferromagnets

T Shang, Y Xu, S Gao, R Yang… - Journal of Physics …, 2024 - iopscience.iop.org
The non-trivial magnetic and electronic phases occurring in topological magnets are often
entangled, thus leading to a variety of exotic physical properties. Recently, the BaAl 4-type …

Observation of phonon angular momentum

H Zhang, N Peshcherenko, F Yang, TZ Ward… - arxiv preprint arxiv …, 2024 - arxiv.org
Angular momentum (AM), a fundamental concept describing the rotation of an object about
an axis, profoundly influences all branches of physics. In condensed matter, AM is intimately …

Spin Spiral State at a Ferromagnetic Gd Vacuum Interface

P Härtl, M Vogt, M Leisegang, G Bihlmayer, S Blügel… - Physical Review Letters, 2024 - APS
Centrosymmetric bulk magnets made of layered Gd intermetallics had been discovered
recently to exhibit helical spin spirals with a wavelength of≈ 2 nm that transform into …

Incommensurate Transverse Peierls Transition

FZ Yang, KF Luo, W Zhang, X Guo, WR Meier… - arxiv preprint arxiv …, 2024 - arxiv.org
In one-dimensional quantum materials, conducting electrons and the underlying lattices can
undergo a spontaneous translational symmetry breaking, known as Peierls transition. For …

Real-space visualization of atomic displacements in a long-wavelength charge density wave using cryogenic 4D-STEM

H Ni, WR Meier, H Miao, AF May, BC Sales, JM Zuo… - Physical Review …, 2024 - APS
EuA l 4, a known skyrmion magnet, represents a class of materials that show complex
electronic behaviors involving long-wavelength charge density wave (CDW). Here we …

Spin density waves and ground state helices in

MT Littlehales, SH Moody, PJ Bereciartua… - Physical Review …, 2024 - APS
The Eu (Ga 1− x Al x) 4 series is composed of centrosymmetric structures which exhibit a
wide range of rich topological phenomena, including some members hosting magnetic …

Calculation of the biquadratic spin interactions based on the spin cluster expansion for\textit {ab initio} tight-binding models

T Hatanaka, J Bouaziz, T Nomoto, R Arita - arxiv preprint arxiv …, 2024 - arxiv.org
We devise a calculation scheme using\textit {ab initio} tight-binding Hamiltonians to evaluate
biquadratic magnetic interactions. This approach relies on the spin cluster expansion …

Enhanced Phonon-Phonon Interactions and Weakened Electron-Phonon Coupling in Charge-Density-Wave Topological Semimetal EuAl4 with a Possible …

S Cao, F **, YZ Long, J Luo, Q Zhang… - arxiv preprint arxiv …, 2025 - arxiv.org
The origin of charge density wave (CDW) is a long-term open issue. Furthermore, the
evolution of phonon-phonon interactions (PPI) across CDW transitions has rarely been …

Correlation between Complex Spin Textures and the Magnetocaloric and Hall Effects in Eu(GaAl) ( = 0.9, 1)

KJ Neubauer, K Allen, JM Moya, ML Klemm… - arxiv preprint arxiv …, 2025 - arxiv.org
Determining the electronic phase diagram of a quantum material as a function of
temperature (T) and applied magnetic field (H) forms the basis for understanding the …