Topological superconductivity in doped magnetic moiré semiconductors
We show that topological superconductivity may emerge upon do** of transition metal
dichalcogenide heterobilayers above an integer-filling magnetic state of the topmost valence …
dichalcogenide heterobilayers above an integer-filling magnetic state of the topmost valence …
Magnonic superconductivity
We uncover a superconducting state with partial spin polarization induced by a magnetic
field. This state, which we call “magnonic superconductor,” lacks a conventional pairing …
field. This state, which we call “magnonic superconductor,” lacks a conventional pairing …
Complex magnetic and spatial symmetry breaking from correlations in kagome flat bands
We present the mean-field phase diagram of electrons in a kagome flat band with repulsive
interactions. In addition to flat-band ferromagnetism, the Hartree-Fock analysis yields …
interactions. In addition to flat-band ferromagnetism, the Hartree-Fock analysis yields …
Superconductivity induced by strong electron-exciton coupling in doped atomically thin semiconductor heterostructures
We study a mechanism to induce superconductivity in atomically thin semiconductors where
excitons mediate an effective attraction between electrons. Our model includes interaction …
excitons mediate an effective attraction between electrons. Our model includes interaction …
divERGe implements various Exact Renormalization Group examples
We present divERGe, an open source, high-performance C/C++/Python library for functional
renormalization group (FRG) calculations on lattice fermions. The versatile model interface …
renormalization group (FRG) calculations on lattice fermions. The versatile model interface …
Boundary-obstructed topological superconductor in buckled honeycomb lattice under perpendicular electric field
In this work, we show that a buckled honeycomb lattice can host a boundary-obstructed
topological superconductor (BOTS) in the presence of f-wave spin-triplet pairing (fSTP). The …
topological superconductor (BOTS) in the presence of f-wave spin-triplet pairing (fSTP). The …
Intertwined Superconductivity and Magnetism from Repulsive Interactions in Kondo Bilayers
While superconductors are conventionally established by attractive interactions, higher-
temperature mechanisms for emergent electronic pairing from strong repulsive electron …
temperature mechanisms for emergent electronic pairing from strong repulsive electron …
Floquet engineering of effective pairing interactions in a doped band insulator
Y Takahashi, H Miyamoto, K Kuroki… - arxiv preprint arxiv …, 2024 - arxiv.org
We investigate the pairing state in a doped band insulator under a periodic driving field. We
employ a correlated fermionic model on a honeycomb lattice, in which a pairing glue is …
employ a correlated fermionic model on a honeycomb lattice, in which a pairing glue is …
[PDF][PDF] Functional renormalization group developments for correlations in quantum materials
JB Profe - 2023 - publications.rwth-aachen.de
In this thesis we derive a unified truncated unity approximation for functional renormalization
group and related methods. The approximation is applicable to different materials and …
group and related methods. The approximation is applicable to different materials and …