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 …
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 …
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 …
strong electronic correlations in multiorbital systems. A prominent example is the orbital …
Luttinger surface dominance and Fermi liquid behavior of topological Kondo insulators and
Defying the traditional classification into metals and insulators, several materials
simultaneously display metallic thermal properties and insulating electric behavior, as if they …
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 …
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 …
spintronics or orbitronics phenomena and applications deriving from them. Strong local …
Complex time evolution in tensor networks and time-dependent Green's functions
Real-time calculations in tensor networks are strongly limited in time by entanglement
growth, restricting the achievable frequency resolution of Green's functions, spectral …
growth, restricting the achievable frequency resolution of Green's functions, spectral …
Metallic quantum criticality enabled by flat bands in a kagome lattice
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 …
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
We study paramagnetic quantum criticality in the periodic Anderson model (PAM) using
cellular dynamical mean-field theory (CDMFT), with the numerical renormalization group …
cellular dynamical mean-field theory (CDMFT), with the numerical renormalization group …
Orbital selective order and Potts nematicity from a non-Fermi liquid
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) …
temperature Z 3 Potts nematic order, we studied a three-orbital Sachdev-Ye-Kitaev (SYK) …