Topological superconductivity with mixed singlet-triplet pairing in moiré transition metal dichalcogenide bilayers

W Akbar, A Biborski, L Rademaker, M Zegrodnik - Physical Review B, 2024 - APS
We investigate strong coupling topological superconductivity in twisted moiré bilayer WSe 2.
Our approach is based on an effective tJ model with displacement-field-dependent complex …

Kagome chiral spin liquid in transition metal dichalcogenide moiré bilayers

J Motruk, D Rossi, DA Abanin, L Rademaker - Physical Review Research, 2023 - APS
At n= 3/4 filling of the moiré flat band, transition metal dichalcogenide (TMD) moiré bilayers
will develop kagome charge order. We derive an effective spin model for the resulting …

Quantum melting of generalized Wigner crystals in transition metal dichalcogenide moiré systems

Y Zhou, DN Sheng, EA Kim - Physical Review Letters, 2024 - APS
The generalized Wigner crystal (GWC) is a novel quantum phase of matter driven by further-
range interaction at fractional fillings of a lattice. The role of further-range interaction as the …

Pressure-tuned many-body phases through -K valleytronics in moir\'e bilayer WSe

M Brzezińska, S Grytsiuk, M Rösner, M Gibertini… - arXiv preprint arXiv …, 2024 - arxiv.org
Recent experiments in twisted bilayer transition-metal dichalcogenides have revealed a
variety of strongly correlated phenomena. To theoretically explore their origin, we combine …

Origin and stability of generalized Wigner crystallinity in triangular moir\'e systems

A Kumar, C Lewandowski, HJ Changlani - arXiv preprint arXiv:2409.13814, 2024 - arxiv.org
Generalized Wigner crystals (GWC) on triangular moir\'e superlattices, formed from stacking
two layers of transition metal chalcogenides, have been recently observed at multiple …

A mathematical analysis of IPT-DMFT

É Cancès, A Kirsch, S Perrin-Roussel - arXiv preprint arXiv:2406.03384, 2024 - arxiv.org
We provide a mathematical analysis of the Dynamical Mean-Field Theory, a celebrated
representative of a class of approximations in quantum mechanics known as embedding …

Collective optical properties of moir\'e excitons

TS Huang, YX Wang, YQ Wang, D Chang… - arXiv preprint arXiv …, 2024 - arxiv.org
We propose that excitons in moir\'e transition metal dichalcogenide bilayers offer a
promising platform for investigating collective radiative properties. While some of these …

Depinning, Melting and Sliding of Generalized Wigner Crystals in Moire Systems

C Reichhardt, CJO Reichhardt - arXiv preprint arXiv:2406.15663, 2024 - arxiv.org
We numerically examine the depinning, sliding, and melting of commensurate and
incommensurate Wigner crystals on two-dimensional hexagonal periodic substrates near …

Charge and spin properties of a generalized Wigner crystal realized in the moir\'e WSe/WS heterobilayer

A Biborski, M Zegrodnik - arXiv preprint arXiv:2409.11202, 2024 - arxiv.org
We examine the charge and spin properties of an effective single-band model representing
a moir\'e superlattice of the WSe $ _ {2} $/WS $ _ {2} $ heterobilayer. We focus on the $2/3 …

[图书][B] Quantum Critical Regimes Around the Metal-Insulator Transition

Y Tan - 2023 - search.proquest.com
Metal-insulator transitions (MITs) remain one of the unresolved science problems of
condensed-matter physics, which are rather general and of fundamental importance. In the …