Fluctuation-enhanced phonon magnetic moments in a polar antiferromagnet

F Wu, S Bao, J Zhou, Y Wang, J Sun, J Wen, Y Wan… - Nature Physics, 2023 - nature.com
Phonons are the quasiparticles of collective lattice excitations that may carry finite angular
momenta, but commonly exhibit negligible magnetic moments. A large phonon magnetic …

Light-induced magnetization from magnonic rectification

T Kahana, DA Bustamante Lopez, DM Juraschek - Science Advances, 2024 - science.org
Rectification describes the conversion of an oscillating field or current into a quasi-static one
and the most basic example of a rectifier is an AC/DC converter in electronics. This principle …

Terahertz electric-field-driven dynamical multiferroicity in SrTiO3

M Basini, M Pancaldi, B Wehinger, M Udina… - Nature, 2024 - nature.com
The emergence of collective order in matter is among the most fundamental and intriguing
phenomena in physics. In recent years, the dynamical control and creation of novel ordered …

Giant effective magnetic moments of chiral phonons from orbit-lattice coupling

S Chaudhary, DM Juraschek, M Rodriguez-Vega… - Physical Review B, 2024 - APS
Circularly polarized lattice vibrations carry angular momentum and lead to magnetic
responses in applied magnetic fields or when resonantly driven with ultrashort laser pulses …

Gate-tunable phonon magnetic moment in bilayer graphene

XW Zhang, Y Ren, C Wang, T Cao, D Xiao - Physical Review Letters, 2023 - APS
We develop a first-principles quantum scheme to calculate the phonon magnetic moment in
solids. As a showcase example, we apply our method to study gated bilayer graphene, a …

Revealing a distortive polar order buried in the Fermi sea

J Shi, W You, X Li, FY Gao, X Peng, S Zhang, J Li… - Science …, 2024 - science.org
Polar metals are challenging to identify spectroscopically because the fingerprints of electric
polarization are often obscured by the presence of screening charges. Here, we unravel …

Electron magnetic moment of transient chiral phonons in

RM Geilhufe, W Hergert - Physical Review B, 2023 - APS
High-intensity THz lasers allow for the coherent excitation of individual phonon modes. The
ultrafast control of emergent magnetism by means of phonons opens up new tuning …

Quantum Metal‐Organic Frameworks

Z Huang, RM Geilhufe - Small Science, 2024 - Wiley Online Library
Quantum materials and metal‐organic framework (MOFs) materials describe two attractive
research areas in physics and chemistry. Yet, with very few exceptions, these fields have …

Chiral phonons induced from spin dynamics via magnetoelastic anisotropy

B Ma, ZD Wang, G Chen - Physical Review Letters, 2024 - APS
We propose a mechanism to obtain chiral phononlike excitations from the bond-dependent
magnetoelastic couplings in the absence of out-of-plane magnetization and magnetic fields …

Spin–orbit exciton–induced phonon chirality in a quantum magnet

D Lujan, J Choe, S Chaudhary, G Ye… - Proceedings of the …, 2024 - National Acad Sciences
The interplay of charge, spin, lattice, and orbital degrees of freedom in correlated materials
often leads to rich and exotic properties. Recent studies have brought new perspectives to …