Superconductivity, superfluidity and quantum geometry in twisted multilayer systems

P Törmä, S Peotta, BA Bernevig - Nature Reviews Physics, 2022 - nature.com
Superconductivity has been observed in moiré systems such as twisted bilayer graphene,
which host flat, dispersionless electronic bands. In parallel, theory work has discovered that …

Ginzburg–Landau models of nonlinear electric transmission networks

E Kengne, WM Liu, LQ English, BA Malomed - Physics Reports, 2022 - Elsevier
Abstract Complex Ginzburg–Landau (CGL) equations serve as canonical models in a great
variety of physical settings, such as nonlinear photonics, dynamical phase transitions …

Catalogue of flat-band stoichiometric materials

N Regnault, Y Xu, MR Li, DS Ma, M Jovanovic… - Nature, 2022 - nature.com
Topological electronic flattened bands near or at the Fermi level are a promising route
towards unconventional superconductivity and correlated insulating states. However, the …

Photonic flatband resonances for free-electron radiation

Y Yang, C Roques-Carmes, SE Kooi, H Tang, J Beroz… - Nature, 2023 - nature.com
Flatbands have become a cornerstone of contemporary condensed-matter physics and
photonics. In electronics, flatbands entail comparable energy bandwidth and Coulomb …

Topological flat bands in frustrated kagome lattice CoSn

M Kang, S Fang, L Ye, HC Po, J Denlinger… - Nature …, 2020 - nature.com
Electronic flat bands in momentum space, arising from strong localization of electrons in real
space, are an ideal stage to realize strongly-correlated phenomena. Theoretically, the flat …

Negative flat band magnetism in a spin–orbit-coupled correlated kagome magnet

JX Yin, SS Zhang, G Chang, Q Wang, SS Tsirkin… - Nature Physics, 2019 - nature.com
Electronic systems with flat bands are predicted to be a fertile ground for hosting emergent
phenomena including unconventional magnetism and superconductivity,,,,,,,,,,,,,–, but …

Photonic materials in circuit quantum electrodynamics

I Carusotto, AA Houck, AJ Kollár, P Roushan… - Nature Physics, 2020 - nature.com
Photonic synthetic materials provide an opportunity to explore the role of microscopic
quantum phenomena in determining macroscopic material properties. There are, however …

Hyperbolic lattices in circuit quantum electrodynamics

AJ Kollár, M Fitzpatrick, AA Houck - Nature, 2019 - nature.com
After two decades of development, cavity quantum electrodynamics with superconducting
circuits has emerged as a rich platform for quantum computation and simulation. Lattices of …

General construction and topological classification of crystalline flat bands

D Călugăru, A Chew, L Elcoro, Y Xu, N Regnault… - Nature Physics, 2022 - nature.com
Exotic phases of matter can emerge from the interplay between strong electron interactions
and non-trivial topology. Materials that have non-dispersing bands in their electronic band …

Magic fermions: Carroll and flat bands

A Bagchi, A Banerjee, R Basu, M Islam… - Journal of High Energy …, 2023 - Springer
A bstract The Carroll algebra is constructed as the c→ 0 limit of the Poincare algebra and is
associated to symmetries on generic null surfaces. In this paper, we begin investigations of …