Critical phase dualities in 1D exactly solvable quasiperiodic models

M Gonçalves, B Amorim, EV Castro, P Ribeiro - Physical Review Letters, 2023 - APS
We propose a solvable class of 1D quasiperiodic tight-binding models encompassing
extended, localized, and critical phases, separated by nontrivial mobility edges. Limiting …

Moiré superlattice on the surface of a topological insulator

J Cano, S Fang, JH Pixley, JH Wilson - Physical Review B, 2021 - APS
Twisting van der Waals heterostructures to induce correlated many body states provides a
novel tuning mechanism in solid state physics. In this work, we theoretically investigate the …

Hidden dualities in 1D quasiperiodic lattice models

M Gonçalves, B Amorim, E Castro, P Ribeiro - SciPost Physics, 2022 - scipost.org
We find that quasiperiodicity-induced transitions between extended and localized phases in
generic 1D systems are associated with hidden dualities that generalize the well-known …

Junctions and superconducting symmetry in twisted bilayer graphene

H Sainz-Cruz, PA Pantaleón, VT Phong… - Physical Review Letters, 2023 - APS
Junctions provide a wealth of information on the symmetry of the order parameter of
superconductors. We analyze junctions between a scanning tunneling microscope (STM) tip …

Connecting the avoided quantum critical point to the magic-angle transition in three-dimensional Weyl semimetals

JH Pixley, DA Huse, JH Wilson - Physical Review B, 2024 - APS
We theoretically study the interplay of short-range random and quasiperiodic static
potentials on the low-energy properties of three-dimensional Weyl semimetals. This setting …

High transmission in twisted bilayer graphene with angle disorder

H Sainz-Cruz, T Cea, PA Pantaleón, F Guinea - Physical Review B, 2021 - APS
Angle disorder is an intrinsic feature of twisted bilayer graphene and other moiré materials.
Here, we discuss electron transport in twisted bilayer graphene in the presence of angle …

Universality classes of the Anderson transitions driven by quasiperiodic potential in the three-dimensional Wigner-Dyson symmetry classes

X Luo, T Ohtsuki - Physical Review B, 2022 - APS
A quasiperiodic system is an intermediate state between periodic and disordered systems
with a unique delocalization-localization transition driven by the quasiperiodic potential …

Fate of quadratic band crossing under quasiperiodic modulation

R Liquito, M Gonçalves, EV Castro - Physical Review B, 2024 - APS
We study the fate of a two-dimensional quadratic band crossing topological phases under a
one-dimensional quasiperiodic modulation. By employing numerically exact methods, we …

Level-spacing distribution of localized phases induced by quasiperiodic potentials

C Yang, Y Wang - Physical Review B, 2024 - APS
Level statistics is an important quantity for exploring and understanding localized physics.
The level-spacing distribution (LSD) of the disordered localized phase follows Poisson …

[PDF][PDF] Critical phase in a class of 1D quasiperiodic models with exact phase diagram and generalized dualities

M Gonçalves, B Amorim, EV Castro… - arXiv preprint arXiv …, 2023 - researchgate.net
We propose a class of 1D quasiperiodic tight binding models that includes extended,
localized and critical phases and analytically determine its phase diagram. Limiting cases of …