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 …

Colloquium: Heavy-electron quantum criticality and single-particle spectroscopy

S Kirchner, S Paschen, Q Chen, S Wirth, D Feng… - Reviews of Modern …, 2020 - APS
Angle-resolved photoemission spectroscopy (ARPES) and scanning tunneling microscopy
(STM) have become indispensable tools in the study of correlated quantum materials. Both …

Strange-metal behaviour in a pure ferromagnetic Kondo lattice

B Shen, Y Zhang, Y Komijani, M Nicklas, R Borth… - Nature, 2020 - nature.com
A wide range of metals exhibit anomalous electrical and thermodynamic properties when
tuned to a quantum critical point (QCP), although the origins of such strange metals have …

Electronic landscape of the f-electron intermetallics with the ThCr2Si2 structure

Y Lai, JY Chan, RE Baumbach - Science Advances, 2022 - science.org
Although strongly correlated f-electron systems are well known as reservoirs for quantum
phenomena, a persistent challenge is to design specific states. What is often missing are …

Indications of a ferromagnetic quantum critical point in

WF Holmes-Hewett, K Van Koughnet, JD Miller… - Scientific Reports, 2023 - nature.com
We investigate the previously observed superconductivity in ferromagnetic SmN in the
context of the breakdown of order between two magnetic phases. Nitrogen vacancy doped …

metallic spin liquid on a frustrated Kondo lattice

J Wang, Y Yang - Physical Review B, 2022 - APS
Metallic spin liquid has been reported in several correlated metals, but a satisfactory
theoretical description is not yet available. Here we propose a potential route to realize the …

An emerging global picture of heavy fermion physics

Y Yang - Journal of Physics: Condensed Matter, 2022 - iopscience.iop.org
Recent progresses using state-of-the-art experimental techniques have motivated a number
of new insights on heavy fermion physics. This article gives a brief summary of the author's …

A unified theory of ferromagnetic quantum phase transitions in heavy fermion metals

J Wang, YF Yang - Science China Physics, Mechanics & Astronomy, 2022 - Springer
Motivated by the recent discovery of a continuous ferromagnetic quantum phase transition in
CeRh6Ge4 and its distinction from other U-based heavy fermion metals such as UGe2, we …

Observation of a critical charge mode in a strange metal

H Kobayashi, Y Sakaguchi, H Kitagawa, M Oura… - Science, 2023 - science.org
Understanding the strange metallic behavior that develops at the brink of localization in
quantum materials requires probing the underlying electronic charge dynamics. Using …

Nonlocal Kondo effect and quantum critical phase in heavy-fermion metals

J Wang, Y Yang - Physical Review B, 2021 - APS
Heavy-fermion metals typically exhibit an unconventional quantum critical point or quantum
critical phase at zero temperature due to the competition of the Kondo effect and magnetism …