Unconventional superconductivity in heavy-fermion compounds
BD White, JD Thompson, MB Maple - Physica C: superconductivity and its …, 2015 - Elsevier
Over the past 35 years, research on unconventional superconductivity in heavy-fermion
systems has evolved from the surprising observations of unprecedented superconducting …
systems has evolved from the surprising observations of unprecedented superconducting …
Extremely strong-coupling superconductivity in artificial two-dimensional Kondo lattices
When interacting electrons are confined to low dimensions, the electron–electron correlation
effect is enhanced dramatically, which often drives the system into exhibiting behaviours that …
effect is enhanced dramatically, which often drives the system into exhibiting behaviours that …
Nodal to Nodeless Superconducting Energy-Gap Structure Change Concomitant with Fermi-Surface Reconstruction in the Heavy-Fermion Compound
The London penetration depth λ (T) was measured in single crystals of Ce 1− x R x CoIn 5,
R= La, Nd, and Yb down to T min≈ 50 mK (T c/T min∼ 50) using a tunnel-diode resonator …
R= La, Nd, and Yb down to T min≈ 50 mK (T c/T min∼ 50) using a tunnel-diode resonator …
Robust upward dispersion of the neutron spin resonance in the heavy fermion superconductor Ce1−xYbxCoIn5
The neutron spin resonance is a collective magnetic excitation that appears in the
unconventional copper oxide, iron pnictide and heavy fermion superconductors. Although …
unconventional copper oxide, iron pnictide and heavy fermion superconductors. Although …
Two types of superconducting domes in unconventional superconductors
Uncovering the origin of unconventional superconductivity is often plagued by the
overwhelming material diversity with varying normal and superconducting (SC) properties …
overwhelming material diversity with varying normal and superconducting (SC) properties …
-wave superconductivity in the frustrated two-dimensional periodic Anderson model
Superconductivity in heavy-fermion materials can sometimes appear in the incoherent
regime and in proximity to an antiferromagnetic quantum critical point. Here, we study these …
regime and in proximity to an antiferromagnetic quantum critical point. Here, we study these …
Fermi-surface evolution in Yb-substituted CeCoIn
A Polyakov, O Ignatchik, B Bergk, K Götze… - Physical Review B …, 2012 - APS
We report results of systematic de Haas–van Alphen (dHvA) studies on Ce 1− x Yb x CoIn 5
single crystals with varying Yb concentration. For x= 0.1, the well-known Fermi surfaces and …
single crystals with varying Yb concentration. For x= 0.1, the well-known Fermi surfaces and …
Yb valence change in CeYbCoIn from spectroscopy and bulk properties
The electronic structure of Ce 1− x Yb x CoIn 5 has been studied by a combination of
photoemission, x-ray absorption, and bulk property measurements. Previous findings of a …
photoemission, x-ray absorption, and bulk property measurements. Previous findings of a …
Non-Fermi liquid regimes with and without quantum criticality in Ce1−xYbxCoIn5
One of the greatest challenges to Landau's Fermi liquid theory—the standard theory of
metals—is presented by complex materials with strong electronic correlations. In these …
metals—is presented by complex materials with strong electronic correlations. In these …
Molecular Pairing and Fully Gapped Superconductivity in Yb-doped
The recent observation of fully gapped superconductivity in Yb doped CeCoIn 5 poses a
paradox, for the disappearance of nodes suggests that they are accidental, yet d-wave …
paradox, for the disappearance of nodes suggests that they are accidental, yet d-wave …