Metal-insulator transition in a semiconductor heterobilayer model

Y Yang, MA Morales, S Zhang - Physical Review Letters, 2024 - APS
Transition metal dichalcogenide superlattices provide an exciting new platform for exploring
and understanding a variety of phases of matter. The moiré continuum Hamiltonian, of two …

Competition of density waves and superconductivity in twisted tungsten diselenide

L Klebl, A Fischer, L Classen, MM Scherer… - Physical Review …, 2023 - APS
Evidence for correlated insulating and superconducting phases around regions of high
density of states was reported in the strongly spin-orbit coupled van der Waals material …

Competition between d-wave superconductivity and magnetism in uniaxially strained Sr2RuO4

JB Profe, S Beck, DM Kennes, A Georges… - npj Quantum …, 2024 - nature.com
The pairing symmetry of Sr2RuO4 is a long-standing fundamental question in the physics of
superconducting materials with strong electronic correlations. We use the functional …

Magnetism and metallicity in moiré transition metal dichalcogenides

P Tscheppe, J Zang, M Klett, S Karakuzu… - Proceedings of the …, 2024 - pnas.org
The ability to control the properties of twisted bilayer transition metal dichalcogenides in situ
makes them an ideal platform for investigating the interplay of strong correlations and …

Do** a Wigner-Mott insulator: Exotic charge orders in transition metal dichalcogenide moiré heterobilayers

Y Tan, PKH Tsang, V Dobrosavljević… - Physical Review …, 2023 - APS
The moiré pattern induced by lattice mismatch in transition metal dichalcogenide
heterobilayers causes the formation of flat bands, where interactions dominate the kinetic …

Machine learning-based compression of quantum many body physics: PCA and autoencoder representation of the vertex function

J Zang, M Medvidović, D Kiese… - Machine Learning …, 2024 - iopscience.iop.org
Theoretical approaches to quantum many-body physics require develo** compact
representations of the complexity of generic quantum states. This paper explores an …

Chern number landscape of spin-orbit coupled chiral superconductors

M Bunney, J Beyer, R Thomale, C Honerkamp… - Physical Review B, 2024 - APS
Chiral superconductors are one of the predominant quantum electronic states of matter
where topology, symmetry, and Fermiology intertwine. This is pushed to a new limit by …

Hubbard model on a triangular lattice: The role of charge fluctuations

JS Xu, Z Zhu, K Wu, ZY Weng - Physical Review B, 2024 - APS
A chiral spin liquid (CSL) phase has been recently reported in the Hubbard model on a
triangular lattice. It emerges in an intermediate coupling regime at half-filling, which is …

Topological superconductivity in Sn/Si (111) driven by nonlocal Coulomb interactions

M Biderang, MH Zare, J Sirker - Physical Review B, 2022 - APS
Superconductivity was recently observed in boron-doped (3× 3) Sn/Si (111). The material
can be described by an extended Hubbard model on a triangular lattice. Here, we use the …

Consistent combination of truncated-unity functional renormalization group and mean-field theory

O Song-** - Physical Review B, 2024 - APS
We propose a novel scheme for combining efficiently the truncated-unity functional
renormalization group (TUFRG) and the mean-field theory. It follows the method of Wang …