Terahertz control of many-body dynamics in quantum materials
Quantum-mechanical phenomena underpin the behaviour of quantum materials at the
microscopic level. The description of several essential properties of these materials …
microscopic level. The description of several essential properties of these materials …
Magnetic field expulsion in optically driven YBa2Cu3O6.48
Coherent optical driving in quantum solids is emerging as a research frontier, with many
reports of interesting non-equilibrium quantum phases,,–and transient photo-induced …
reports of interesting non-equilibrium quantum phases,,–and transient photo-induced …
Observation of interplay between phonon chirality and electronic band topology
The recently demonstrated chiral modes of lattice motion carry angular momentum and
therefore directly couple to magnetic fields. Notably, their magnetic moments are predicted …
therefore directly couple to magnetic fields. Notably, their magnetic moments are predicted …
Large effective magnetic fields from chiral phonons in rare-earth halides
Time-reversal symmetry (TRS) is pivotal for materials' optical, magnetic, topological, and
transport properties. Chiral phonons, characterized by atoms rotating unidirectionally around …
transport properties. Chiral phonons, characterized by atoms rotating unidirectionally around …
Light-induced magnetization from magnonic rectification
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 …
and the most basic example of a rectifier is an AC/DC converter in electronics. This principle …
Giant effective magnetic moments of chiral phonons from orbit-lattice coupling
Circularly polarized lattice vibrations carry angular momentum and lead to magnetic
responses in applied magnetic fields or when resonantly driven with ultrashort laser pulses …
responses in applied magnetic fields or when resonantly driven with ultrashort laser pulses …
Phononic switching of magnetization by the ultrafast Barnett effect
The historic Barnett effect describes how an inertial body with otherwise zero net magnetic
moment acquires spontaneous magnetization when mechanically spinning,. Breakthrough …
moment acquires spontaneous magnetization when mechanically spinning,. Breakthrough …
Gate-tunable phonon magnetic moment in bilayer graphene
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 …
solids. As a showcase example, we apply our method to study gated bilayer graphene, a …
Real-time dynamics of angular momentum transfer from spin to acoustic chiral phonon in oxide heterostructures
Chiral phonons have recently been explored as a novel degree of freedom in quantum
materials. The angular momentum carried by these quasiparticles is generated by the …
materials. The angular momentum carried by these quasiparticles is generated by the …
Dynamical multiferroicity and magnetic topological structures induced by the orbital angular momentum of light in a nonmagnetic material
Recent studies have revealed that chiral phonons resonantly excited by ultrafast laser
pulses carry magnetic moments and can enhance the magnetization of materials. In this …
pulses carry magnetic moments and can enhance the magnetization of materials. In this …