Heavy fermions and quantum phase transitions

Q Si, F Steglich - Science, 2010 - science.org
Quantum phase transitions arise in many-body systems because of competing interactions
that promote rivaling ground states. Recent years have seen the identification of continuous …

Superconducting phases of -electron compounds

C Pfleiderer - Reviews of Modern Physics, 2009 - APS
Intermetallic compounds containing f-electron elements display a wealth of superconducting
phases, which are prime candidates for unconventional pairing with complex order …

Highly robust reentrant superconductivity in CsV3Sb5 under pressure

X Chen, X Zhan, X Wang, J Deng, XB Liu… - Chinese Physics …, 2021 - iopscience.iop.org
We present the superconducting (SC) property and high-robustness of structural stability of
kagome CsV 3 Sb 5 under in situ high pressures. For the initial SC-I phase, its T c is quickly …

Anomalous Criticality in the Electrical Resistivity of La2–xSrxCuO4

RA Cooper, Y Wang, B Vignolle, OJ Lipscombe… - Science, 2009 - science.org
The presence or absence of a quantum critical point and its location in the phase diagram of
high-temperature superconductors have been subjects of intense scrutiny. Clear evidence …

Heavy-Fermion Superconductivity in the Quadrupole Ordered State of

M Tsujimoto, Y Matsumoto, T Tomita, A Sakai… - Physical review …, 2014 - APS
PrV 2 Al 20 is a rare example of a heavy-fermion system based on strong hybridization
between conduction electrons and nonmagnetic quadrupolar moments of the cubic Γ 3 …

Strongly correlated materials

E Morosan, D Natelson, AH Nevidomskyy… - Advanced …, 2012 - Wiley Online Library
Strongly correlated materials are profoundly affected by the repulsive electron‐electron
interaction. This stands in contrast to many commonly used materials such as silicon and …

Exploring heavy fermions from macroscopic to microscopic length scales

S Wirth, F Steglich - Nature Reviews Materials, 2016 - nature.com
Strongly correlated systems present fundamental challenges, especially in materials in
which electronic correlations cause a strong increase of the effective mass of the charge …

Quantum Criticality Without Tuning in the Mixed Valence Compound β-YbAlB4

Y Matsumoto, S Nakatsuji, K Kuga, Y Karaki, N Horie… - Science, 2011 - science.org
Fermi liquid theory, the standard theory of metals, has been challenged by a number of
observations of anomalous metallic behavior found in the vicinity of a quantum phase …

Translationally invariant non-fermi-liquid metals with critical fermi surfaces: Solvable models

D Chowdhury, Y Werman, E Berg, T Senthil - Physical Review X, 2018 - APS
We construct examples of translationally invariant solvable models of strongly correlated
metals, composed of lattices of Sachdev-Ye-Kitaev dots with identical local interactions …

Frustration and the Kondo effect in heavy fermion materials

P Coleman, AH Nevidomskyy - Journal of Low Temperature Physics, 2010 - Springer
The observation of a separation between the antiferromagnetic phase boundary and the
small-large Fermi surface transition in recent experiments has led to the proposal that …