High-order Van Hove singularities and their connection to flat bands
L Classen, JJ Betouras - Annual Review of Condensed Matter …, 2024 - annualreviews.org
The flattening of single-particle band structures plays an important role in the quest for novel
quantum states of matter owing to the crucial role of interactions. Recent advances in theory …
quantum states of matter owing to the crucial role of interactions. Recent advances in theory …
Resistivity in the Vicinity of a van Hove Singularity: under Uniaxial Pressure
We report the results of a combined study of the normal-state resistivity and superconducting
transition temperature T c of the unconventional superconductor Sr 2 RuO 4 under uniaxial …
transition temperature T c of the unconventional superconductor Sr 2 RuO 4 under uniaxial …
ARPES view on surface and bulk hybridization phenomena in the antiferromagnetic Kondo lattice CeRh2Si2
S Patil, A Generalov, M Güttler, P Kushwaha… - Nature …, 2016 - nature.com
The hybridization between localized 4 f electrons and itinerant electrons in rare-earth-based
materials gives rise to their exotic properties like valence fluctuations, Kondo behaviour …
materials gives rise to their exotic properties like valence fluctuations, Kondo behaviour …
Temperature-Independent Fermi Surface in the Kondo Lattice
Strongly correlated electron systems are one of the central topics in contemporary solid-state
physics. Prominent examples for such systems are Kondo lattices, ie, intermetallic materials …
physics. Prominent examples for such systems are Kondo lattices, ie, intermetallic materials …
Hall Anomaly, Quantum Oscillations and Possible Lifshitz Transitions in Kondo Insulator : Evidence for Unconventional Charge Transport
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 …
degrees of freedom may give rise to anomalous charge-transport properties, which can be …
Evidence of a Kondo Destroying Quantum Critical Point in YbRh2Si2
F Steglich, H Pfau, S Lausberg, S Hamann… - Journal of the Physical …, 2014 - journals.jps.jp
The heavy-fermion metal YbRh2Si2 is a weak antiferromagnet below TN= 0.07 K.
Application of a low magnetic field B c= 0.06 T (⊥ c) is sufficient to continuously suppress …
Application of a low magnetic field B c= 0.06 T (⊥ c) is sufficient to continuously suppress …
Pressure-Tuned Quantum Criticality in the Locally Noncentrosymmetric Superconductor
M Pfeiffer, K Semeniuk, JF Landaeta, R Borth… - Physical Review Letters, 2024 - APS
The unconventional superconductor CeRh 2 As 2 (critical temperature T c≈ 0.4 K) displays
an exceptionally rare magnetic-field-induced transition between two distinct …
an exceptionally rare magnetic-field-induced transition between two distinct …
Fermi-Surface Instability in the Heavy-Fermion Superconductor
Transport measurements are presented up to fields of 29 T in the recently discovered heavy-
fermion superconductor UTe 2 with magnetic field H applied along the easy magnetization a …
fermion superconductor UTe 2 with magnetic field H applied along the easy magnetization a …
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 …
superconductor close to a quantum critical point (QCP). Here, we present a comprehensive …
Field-induced Lifshitz transition in the magnetic Weyl semimetal candidate PrAlSi
Lifshitz transition (LT) refers to an abrupt change in the electronic structure and Fermi
surface and is associated to a variety of emergent quantum phenomena. Amongst the LTs …
surface and is associated to a variety of emergent quantum phenomena. Amongst the LTs …