Quantum phases driven by strong correlations

S Paschen, Q Si - Nature Reviews Physics, 2021 - nature.com
It has long been thought that strongly correlated systems are adiabatically connected to their
non-interacting counterpart. Recent developments have highlighted the fallacy of this …

Quantum interactions in topological R166 kagome magnet

X Xu, JX Yin, Z Qu, S Jia - Reports on Progress in Physics, 2023 - iopscience.iop.org
Kagome magnet has been found to be a fertile ground for the search of exotic quantum
states in condensed matter. Arising from the unusual geometry, the quantum interactions in …

Electronic correlations and partial gap in the bilayer nickelate La3Ni2O7

Z Liu, M Huo, J Li, Q Li, Y Liu, Y Dai, X Zhou… - Nature …, 2024 - nature.com
The discovery of superconductivity with a critical temperature of about 80 K in La3Ni2O7
single crystals under pressure has received enormous attention. La3Ni2O7 is not …

Exotic topological phonon modes in semiconductors: Symmetry analysis and first-principles calculations for representative examples

G Ding, C **e, J Gong, J Wang, J Bai, W Wang, D Li… - Physical Review B, 2023 - APS
Nowadays, it is recognized that semiconductors are prospective candidates for promising
thermoelectric materials and the gapless topological phonon modes can result in a high …

Optical detection of the density-wave instability in the kagome metal KV3Sb5

E Uykur, BR Ortiz, SD Wilson, M Dressel… - npj Quantum …, 2022 - nature.com
Coexisting density-wave and superconducting states along with the large anomalous Hall
effect in the absence of local magnetism remain intriguing and enigmatic features of the …

Electronic correlations and energy gap in the bilayer nickelate LaNiO

Z Liu, M Huo, J Li, Q Li, Y Liu, Y Dai, X Zhou… - arxiv preprint arxiv …, 2023 - arxiv.org
The discovery of superconductivity with a critical temperature of 80~ K in La $ _ {3} $ Ni $ _
{2} $ O $ _ {7} $ under pressure has received enormous attention. La $ _ {3} $ Ni $ _ {2} $ O …

Intriguing low-temperature phase in the antiferromagnetic kagome metal FeGe

M Wenzel, E Uykur, AA Tsirlin, S Pal, RM Roy, C Yi… - Physical Review Letters, 2024 - APS
The properties of kagome metals are governed by the interdependence of band topology
and electronic correlations resulting in remarkably rich phase diagrams. Here, we study the …

Giant spontaneous Hall effect in a nonmagnetic Weyl–Kondo semimetal

S Dzsaber, X Yan, M Taupin… - Proceedings of the …, 2021 - National Acad Sciences
Nontrivial topology in condensed-matter systems enriches quantum states of matter to go
beyond either the classification into metals and insulators in terms of conventional band …

Symmetry-enforced ideal lanternlike phonons in the ternary nitride

X Wang, F Zhou, T Yang, M Kuang, ZM Yu, G Zhang - Physical Review B, 2021 - APS
Topological physics of phonon spectra has been attracting great interest. Using the first-
principle calculations and symmetry analysis, we show the realistic ternary nitride Li 6 WN 4 …

Energy gap of topological surface states in proximity to a magnetic insulator

J Wang, T Wang, M Ozerov, Z Zhang… - Communications …, 2023 - nature.com
Topological surface-states can acquire an energy gap when time-reversal symmetry is
broken by interfacing with a magnetic insulator. This gap has yet to be measured. Such …