Charge-neutral electronic excitations in quantum insulators

S Wu, LM Schoop, I Sodemann, R Moessner, RJ Cava… - Nature, 2024‏ - nature.com
Experiments on quantum materials have uncovered many interesting quantum phases
ranging from superconductivity to a variety of topological quantum matter including the …

Solvable periodic Anderson model with infinite-range Hatsugai-Kohmoto interaction: Ground-states and beyond

Y Zhong - Physical Review B, 2022‏ - APS
In this paper we introduce a solvable two-orbital (two-band) model with an infinite-range
Hatsugai-Kohmoto interaction, which serves as a modified periodic Anderson model. Its …

The detection of unconventional quantum oscillations in insulating 2D materials

S Wu - 2D Materials, 2024‏ - iopscience.iop.org
In strongly correlated quantum materials, electrons behave in ways that often extend beyond
the confines of conventional Fermi-liquid theory. Interesting results include the observation …

Hall Anomaly, Quantum Oscillations and Possible Lifshitz Transitions in Kondo Insulator : Evidence for Unconventional Charge Transport

Z **ang, KW Chen, L Chen, T Asaba, Y Sato, N Zhang… - Physical Review X, 2022‏ - APS
In correlated electronic systems, strong interactions and the interplay between different
degrees of freedom may give rise to anomalous charge-transport properties, which can be …

Probing the quantum noise of the spinon Fermi surface with NV centers

JY Khoo, F Pientka, PA Lee, IS Villadiego - Physical Review B, 2022‏ - APS
We study the transverse electrical conductivity and the corresponding magnetic noise of a
two-dimensional U (1) spin liquid state with a spinon Fermi surface. We show that in the …

Thermal Hall signatures of non-Kitaev spin liquids in honeycomb Kitaev materials

YH Gao, C Hickey, T **ang, S Trebst, G Chen - Physical Review Research, 2019‏ - APS
Motivated by the recent surge of field-driven phenomena discussed for Kitaev materials, in
particular the experimental observation of a finite thermal Hall effect and theoretical …

The universal shear conductivity of Fermi liquids and spinon Fermi surface states and its detection via spin qubit noise magnetometry

JY Khoo, F Pientka, I Sodemann - New Journal of Physics, 2021‏ - iopscience.iop.org
The universal shear conductivity of Fermi liquids and spinon Fermi surface states and its
detection via spin qubit noise magnetometry - IOPscience Skip to content IOP Science home …

Quantum oscillations in an impurity-band Anderson insulator

NR Cooper, J Kelsall - SciPost Physics, 2023‏ - scipost.org
We show that for a system of localized electrons in an impurity band, which form an
Anderson insulating state at zero temperature, there can appear quantum oscillations of the …

Pseudoscalar U(1) spin liquids in

IS Villadiego - Physical Review B, 2021‏ - APS
A recent experiment has reported oscillations of the thermal conductivity of α-RuCl 3 driven
by an in-plane magnetic field that are reminiscent of the quantum oscillations in metals. At …

A platform for far-infrared spectroscopy of quantum materials at millikelvin temperatures

M Onyszczak, AJ Uzan-Narovlansky, Y Tang… - Review of Scientific …, 2023‏ - pubs.aip.org
Optical spectroscopy of quantum materials at ultralow temperatures is rarely explored, yet it
may provide critical characterizations of quantum phases not possible using other …