Roadmap on Atomtronics: State of the art and perspective

L Amico, M Boshier, G Birkl, A Minguzzi… - AVS Quantum …, 2021 - pubs.aip.org
Atomtronics deals with matter-wave circuits of ultracold atoms manipulated through
magnetic or laser-generated guides with different shapes and intensities. In this way, new …

Observation of Modes in an Acoustic Floquet System

Z Cheng, RW Bomantara, H Xue, W Zhu, J Gong… - Physical Review Letters, 2022 - APS
Topological phases of matter have remained an active area of research in the last few
decades. Periodic driving is a powerful tool for enriching such exotic phases, leading to …

One-dimensional -root topological insulators and superconductors

AM Marques, L Madail, RG Dias - Physical Review B, 2021 - APS
Square-root topology is a recently emerged subfield describing a class of insulators and
superconductors whose topological nature is only revealed upon squaring their …

Acoustic square-root topological states

M Yan, X Huang, L Luo, J Lu, W Deng, Z Liu - Physical Review B, 2020 - APS
Square-root topological states are new topological phases, whose topological property is
inherited from the square of the Hamiltonian. Because of the square-root procedure, the bulk …

th-root non-Hermitian Floquet topological insulators

L Zhou, RW Bomantara, S Wu - SciPost Physics, 2022 - scipost.org
Floquet phases of matter have attracted great attention due to their dynamical and
topological nature that are unique to nonequilibrium settings. In this work, we introduce a …

Artificial gauge field switching using orbital angular momentum modes in optical waveguides

C Jörg, G Queraltó, M Kremer, G Pelegrí… - Light: Science & …, 2020 - nature.com
The discovery of artificial gauge fields controlling the dynamics of uncharged particles that
otherwise elude the influence of standard electromagnetic fields has revolutionised the field …

Realization of second-order photonic square-root topological insulators

W Yan, D Song, S Xia, J Xie, L Tang, J Xu… - ACS Photonics, 2021 - ACS Publications
Square-root higher-order topological insulators (HOTIs) are recently discovered new
topological phases, with intriguing topological properties inherited from a parent lattice …

-root weak, Chern, and higher-order topological insulators, and -root topological semimetals

AM Marques, RG Dias - Physical Review B, 2021 - APS
Recently, we have introduced [AM Marques, Phys. Rev. B 103, 235425 (2021) 2469-9950
10.1103/PhysRevB. 103.235425] the concept of 2 n-root topology and applied it to one …

Topological edge modes in non-Hermitian photonic Aharonov-Bohm cages

S Ke, D Zhao, J Fu, Q Liao, B Wang… - IEEE Journal of Selected …, 2020 - ieeexplore.ieee.org
We investigate the topological edge modes in a rhombic waveguide array with imaginary
coupling, which is realized by incorporating auxiliary waveguide between the coupled …

Nonlinear dynamics of Aharonov-Bohm cages

M Di Liberto, S Mukherjee, N Goldman - Physical Review A, 2019 - APS
The interplay of π-flux and lattice geometry can yield full localization of quantum dynamics in
lattice systems, a striking interference phenomenon known as Aharonov-Bohm caging. At …