Correlation effects and concomitant two-orbital -wave superconductivity in under high pressure

YH Tian, Y Chen, JM Wang, RQ He, ZY Lu - Physical Review B, 2024 - APS
High-T c superconductivity (SC) has been found experimentally in the bilayer material La 3
Ni 2 O 7 under high pressure recently, in which the Ni-3 d 3 z 2− r 2 and 3 dx 2− y 2 orbitals …

Emergence of flat bands and ferromagnetic fluctuations via orbital-selective electron correlations in Mn-based kagome metal

S Samanta, H Park, C Lee, S Jeon, H Cui… - Nature …, 2024 - nature.com
Kagome lattice has been actively studied for the possible realization of frustration-induced
two-dimensional flat bands and a number of correlation-induced phases. Currently, the …

Eliminating orbital selectivity from the metal-insulator transition by strong magnetic fluctuations

EA Stepanov - Physical Review Letters, 2022 - APS
The orbital-selective electronic behavior is one of the most remarkable manifestations of
strong electronic correlations in multiorbital systems. A prominent example is the orbital …

Luttinger surface dominance and Fermi liquid behavior of topological Kondo insulators and

A Blason, I Pasqua, M Ferrero, M Fabrizio - Physical Review B, 2024 - APS
Defying the traditional classification into metals and insulators, several materials
simultaneously display metallic thermal properties and insulating electric behavior, as if they …

Heavy fermions in frustrated Hund's metal with portions of incipient flat bands

Y Wang - Physical Review B, 2025 - APS
Flat bands induced by destructive interference of hop**s in frustrated lattices such as
kagome metals, have been extensively studied in recent years. However, such flat bands …

Can Orbital-Selective Néel Transitions Survive Strong Nonlocal Electronic Correlations?

EA Stepanov, S Biermann - Physical Review Letters, 2024 - APS
Spin-or orbital-selective behaviors in correlated electron materials offer rich promise for
spintronics or orbitronics phenomena and applications deriving from them. Strong local …

Complex time evolution in tensor networks and time-dependent Green's functions

M Grundner, P Westhoff, FB Kugler, O Parcollet… - Physical Review B, 2024 - APS
Real-time calculations in tensor networks are strongly limited in time by entanglement
growth, restricting the achievable frequency resolution of Green's functions, spectral …

Metallic quantum criticality enabled by flat bands in a kagome lattice

L Chen, F **e, S Sur, H Hu, S Paschen, J Cano… - arxiv preprint arxiv …, 2023 - arxiv.org
Strange metals arise in a variety of platforms for strongly correlated electrons, ranging from
the cuprates, heavy fermions to flat band systems. Motivated by recent experiments in …

Emergent properties of the periodic Anderson model: A High-resolution, real-frequency study of heavy-fermion quantum criticality

A Gleis, SSB Lee, G Kotliar, J Von Delft - Physical Review X, 2024 - APS
We study paramagnetic quantum criticality in the periodic Anderson model (PAM) using
cellular dynamical mean-field theory (CDMFT), with the numerical renormalization group …

Orbital selective order and Potts nematicity from a non-Fermi liquid

YZ **e, A Hardy, A Paramekanti - Physical Review B, 2024 - APS
Motivated by systems where a high-temperature non-Fermi liquid gives way to low-
temperature Z 3 Potts nematic order, we studied a three-orbital Sachdev-Ye-Kitaev (SYK) …