Designing and controlling the properties of transition metal oxide quantum materials
This Perspective addresses the design, creation, characterization and control of synthetic
quantum materials with strong electronic correlations. We show how emerging synergies …
quantum materials with strong electronic correlations. We show how emerging synergies …
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 …
Computing local multipoint correlators using the numerical renormalization group
Local three-and four-point correlators yield important insight into strongly correlated systems
and have many applications. However, the nonperturbative, accurate computation of …
and have many applications. However, the nonperturbative, accurate computation of …
X-symbols for non-Abelian symmetries in tensor networks
A Weichselbaum - Physical Review Research, 2020 - APS
The full exploitation of non-Abelian symmetries in tensor network states (TNSs) derived from
a given lattice Hamiltonian is attractive in various aspects. From a theoretical perspective, it …
a given lattice Hamiltonian is attractive in various aspects. From a theoretical perspective, it …
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 …
Low-energy perspective on two-orbital Hund metals and the case of
The Hund-metal route to strong correlations continues to attract large interest in the
condensed-matter community. The question arose to what extent it applies to the infinite …
condensed-matter community. The question arose to what extent it applies to the infinite …
Fe‐Vacancies Manipulate Kondo Screening States in the d‐Orbital Kondo Lattice of Fe3‐xGeTe2 (x = 0.07–0.54)
Manipulating the electronic correlation is a long‐term issue in the Kondo regime. Based on
the pioneer successes in many localized f‐orbital systems, further achievements in more …
the pioneer successes in many localized f‐orbital systems, further achievements in more …
Emergent moments in a Hund's impurity
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 …
we revisit the problem of a multiorbital Kondo impurity with Hund's interaction. Using …
Differentiating Hund from Mott physics in a three-band Hubbard-Hund model: Temperature dependence of spectral, transport, and thermodynamic properties
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 …
physics, driven by Hund's coupling J, for a minimal model for Hund metals, the orbital …
Signatures of Hund metal and finite-frequency nesting in revealed by electronic Raman scattering
We investigate the electronic Raman scattering of Sr 2 RuO 4 using a material-realistic
dynamical mean-field theory approach. We identify the low-energy Fermi liquid behavior …
dynamical mean-field theory approach. We identify the low-energy Fermi liquid behavior …