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

Z Xiang, 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 …

Possible Quadrupole Density Wave in the Superconducting Kondo Lattice

D Hafner, P Khanenko, EO Eljaouhari, R Küchler… - Physical Review X, 2022 - APS
CeRh 2 As 2 has recently been reported to be a rare case of a multiphase unconventional
superconductor close to a quantum critical point (QCP). Here, we present a comprehensive …

Cascade of Magnetic-Field-Induced Lifshitz Transitions in the Ferromagnetic Kondo Lattice Material

H Pfau, R Daou, S Friedemann, S Karbassi… - Physical review …, 2017 - APS
A ferromagnetic quantum critical point is thought not to exist in two-and three-dimensional
metallic systems yet is realized in the Kondo lattice compound YbNi 4 (P, As) 2, possibly due …

The utility of band theory in strongly correlated electron systems

G Zwicknagl - Reports on Progress in Physics, 2016 - iopscience.iop.org
This article attempts to review how band structure calculations can help to better understand
the intriguing behavior of materials with strongly correlated electrons. Prominent examples …

Lifshitz transitions in magnetic phases of the periodic Anderson model

K Kubo - Journal of the Physical Society of Japan, 2015 - journals.jps.jp
We investigate the reconstruction of a Fermi surface, which is called a Lifshitz transition, in
magnetically ordered phases of the periodic Anderson model on a square lattice with a finite …

Magnetic phase diagram and electronic structure of at high magnetic fields: A possible field-induced Lifshitz transition

DS Grachtrup, N Steinki, S Süllow, Z Cakir… - Physical Review B, 2017 - APS
We have measured the Hall effect, magnetotransport, and magnetostriction on the field-
induced phases of single-crystalline UPt 2 Si 2 in magnetic fields up to 60 T at temperatures …

Nonlocal Kondo coupling and selective doping from cerium electrons in iron-based superconductors

J Sourd, S Tencé, E Gaudin, S Burdin - Physical Review B, 2024 - APS
In this paper, we consider an unconventional doping effect of strongly correlated cerium 4 f
electrons in layered intermetallic systems. The conduction electron part of the model is taken …

Microstructuring YbRh2Si2 for resistance and noise measurements down to ultra-low temperatures

A Steppke, S Hamann, M König… - New Journal of …, 2022 - iopscience.iop.org
The discovery of superconductivity in the quantum critical Kondo-lattice system YbRh 2 Si 2
at an extremely low temperature of 2 mK has inspired efforts to perform high-resolution …

Transport Spectroscopy of the Field Induced Cascade of Lifshitz Transitions in YbRh2Si2

A Pourret, SG Sharapov, TD Matsuda… - Journal of the Physical …, 2019 - journals.jps.jp
A series of strong anomalies in the thermoelectric power is observed in the heavy fermion
compound YbRh2Si2 under the effect of magnetic field varying in the range from 9.5 to 13 T …

Lifshitz transition and metamagnetism: Thermoelectric studies of

M Boukahil, A Pourret, G Knebel, D Aoki, Y Ōnuki… - Physical Review B, 2014 - APS
We report field-and temperature-dependent measurements of the thermoelectric power
(TEP) across the pseudometamagnetic transition (MMT) in CeRu 2 Si 2. We applied the …