Triplet Pairing Mechanisms from Hund's-Kondo Models: Applications to and

T Hazra, P Coleman - Physical review letters, 2023 - APS
Observing that several U and Ce based candidate triplet superconductors share a common
structural motif, with pairs of magnetic atoms separated by an inversion center, we …

Switching between Mott-Hubbard and Hund physics in Moiré quantum simulators

S Ryee, TO Wehling - Nano Letters, 2023 - ACS Publications
Mott-Hubbard and Hund electron correlations have been realized thus far in separate
classes of materials. Here, we show that a single moiré homobilayer encompasses both …

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 …

Unveiling the hybridization process in a quantum critical ferromagnet by ultrafast optical spectroscopy

YH Pei, YJ Zhang, ZX Wei, YX Chen, K Hu, Y Yang… - Physical Review B, 2021 - APS
We report the ultrafast optical pump-probe spectroscopy measurements on the recently
discovered quantum critical ferromagnet CeRh 6 Ge 4. Our experimental results reveal the …

Multiple stimuli dual-optical mode responsive hybrid copper (i) halides for advanced anti-counterfeiting and information encryption

Y Guo, YF Fu, JJ Wu, JL Qi, YM Zhang… - Inorganic Chemistry …, 2025 - pubs.rsc.org
Hybrid Cu (I)-based halides possess significant potential in optical anti-counterfeiting due to
their diverse crystal structures and unique optical properties. Nevertheless, the synthesis of …

Efficient slave-boson approach for multiorbital two-particle response functions and superconductivity

TH Lee, N Lanatà, M Kim, G Kotliar - Physical Review X, 2021 - APS
We develop an efficient approach for computing two-particle response functions and
interaction vertices for multiorbital strongly correlated systems based on the rotationally …

Emergent moments in a Hund's impurity

V Drouin-Touchette, EJ König, Y Komijani, P Coleman - Physical Review B, 2021 - APS
Motivated by the relevance of Hund's coupling in the context of multiorbital superconductors,
we revisit the problem of a multiorbital Kondo impurity with Hund's interaction. Using …

Finite-momentum and field-induced pairings in orbital-singlet spin-triplet superconductors

J Clepkens, HY Kee - Physical Review B, 2024 - APS
Finite-momentum pairing in a Pauli-limited spin-singlet superconductor arises from the pair-
breaking effects of an external Zeeman field, a mechanism which is not applicable in odd …

Differentiating Hund from Mott physics in a three-band Hubbard-Hund model: Temperature dependence of spectral, transport, and thermodynamic properties

KM Stadler, G Kotliar, SSB Lee, A Weichselbaum… - Physical Review B, 2021 - APS
We study the interplay between Mott physics, driven by Coulomb repulsion U, and Hund
physics, driven by Hund's coupling J, for a minimal model for Hund metals, the orbital …

Topological superconductivity from doping a triplet quantum spin liquid in a flat-band system

MF López, BJ Powell, J Merino - Physical Review B, 2022 - APS
We explore superconductivity in strongly interacting electrons on a decorated honeycomb
lattice (DHL). An easy-plane ferromagnetic interaction arises from spin-orbit coupling in the …