Observation of interplay between phonon chirality and electronic band topology

FGG Hernandez, A Baydin, S Chaudhary, F Tay… - Science …, 2023 - science.org
The recently demonstrated chiral modes of lattice motion carry angular momentum and
therefore directly couple to magnetic fields. Notably, their magnetic moments are predicted …

Magnetic control of soft chiral phonons in PbTe

A Baydin, FGG Hernandez, M Rodriguez-Vega… - Physical review …, 2022 - APS
PbTe crystals have a soft transverse optical phonon mode in the terahertz frequency range,
which is known to efficiently decay into heat-carrying acoustic phonons, resulting in …

Terahertz spin dynamics in rare-earth orthoferrites

X Li, D Kim, Y Liu, J Kono - Photonics Insights, 2023 - spiedigitallibrary.org
Recent interest in developing fast spintronic devices and laser-controllable magnetic solids
has sparked tremendous experimental and theoretical efforts to understand and manipulate …

Effect of magnetic field on donor impurity-related photoionisation cross-section in multilayered quantum dot

MV Chubrei, VA Holovatsky, CA Duque - Philosophical Magazine, 2021 - Taylor & Francis
The effect of the magnetic field on the electron states in the Al 0.3 Ga 0.7 As/GaAs/Al 0.3 Ga
0.7 As multilayered quantum dot with and without shallow-donor impurity is under study. The …

Magneto-optical spectroscopy with RAMBO: A table-top 30 T magnet

F Tay, A Baydin, F Katsutani, J Kono - Journal of the Physical Society …, 2022 - journals.jps.jp
Optically probing materials in high magnetic fields can provide enlightening insight into field-
modified electronic states and phases, while optically driving materials in high magnetic …

Observation of the magnonic Dicke superradiant phase transition

D Kim, S Dasgupta, X Ma, JM Park, HT Wei… - arXiv preprint arXiv …, 2024 - arxiv.org
Two-level atoms coupled with single-mode cavity photons are predicted to exhibit a
quantum phase transition when the coupling strength exceeds a critical value, entering a …

Ultrastrong photon-photon coupling

F Tay, A Mojibpour, S Sanders, S Liang, H Xu… - arXiv preprint arXiv …, 2023 - arxiv.org
Correlations between photons are a key feature of nonclassical states of light. Recent
studies suggest that the ground state of a cavity quantum electrodynamics system can have …

Observation of colossal terahertz magnetoresistance and magnetocapacitance<? TeX\break?> in a perovskite manganite

F Tay, S Chaudhary, J He, N Marquez Peraca… - Optica, 2023 - opg.optica.org
Terahertz (THz) magnetoresistance effects have been extensively investigated and have
shown promising results for applications in magnetic modulations of the amplitude of THz …

[HTML][HTML] Optical-pump–terahertz-probe spectroscopy in high magnetic fields with kHz single-shot detection

BS Dastrup, PR Miedaner, Z Zhang… - Review of Scientific …, 2024 - pubs.aip.org
We demonstrate optical pump–THz probe (OPTP) spectroscopy with a variable external
magnetic field (0–9 T), in which the time-dependent THz signal is measured by echelon …

Evolution of the cyclotron mass with doping in

A Legros, KW Post, P Chauhan, DG Rickel, X He, X Xu… - Physical Review B, 2022 - APS
The recent observation of cyclotron resonance in optimally doped La 2− x Sr x CuO 4 using
time-domain THz spectroscopy in high magnetic field has given new possibilities for the …