Low-frequency and Moiré–Floquet engineering: A review

M Rodriguez-Vega, M Vogl, GA Fiete - Annals of Physics, 2021 - Elsevier
We review recent work on low-frequency Floquet engineering and its application to quantum
materials driven by light, focusing on van der Waals systems hosting Moiré superlattices …

Topological states of non-Hermitian systems

VM Martinez Alvarez, JE Barrios Vargas… - The European Physical …, 2018 - Springer
Recently, the search for topological states of matter has turned to non-Hermitian systems,
which exhibit a rich variety of unique properties without Hermitian counterparts. Lattices …

Light-induced phase crossovers in a quantum spin Hall system

F Qin, CH Lee, R Chen - Physical Review B, 2022 - APS
In this work, we theoretically investigate the light-induced topological phases and finite-size
crossovers in a paradigmatic quantum spin Hall (QSH) system with high-frequency pumping …

Peculiar electronic states, symmetries, and Berry phases in irradiated materials

A Iurov, G Gumbs, D Huang - Physical Review B, 2019 - APS
We have laid out the results of a rigorous theoretical investigation into the response of
electron dressed states, ie, interacting Floquet states arising from the off-resonant coupling …

Topological phases and nonreciprocal edge states in non-Hermitian Floquet insulators

M Li, X Ni, M Weiner, A Alù, AB Khanikaev - Physical Review B, 2019 - APS
Topological phases in quantum and classical systems have been of significant recent
interest due to their fascinating physical properties. Floquet topological insulators represent …

Quantum-statistical theory for laser-tuned transport and optical conductivities of dressed electrons in materials

A Iurov, L Zhemchuzhna, D Dahal, G Gumbs, D Huang - Physical Review B, 2020 - APS
In the presence of external off-resonance and circularly polarized irradiation, we have
derived a many-body formalism and performed a detailed numerical analysis for both the …

Klein tunneling of optically tunable Dirac particles with elliptical dispersions

A Iurov, L Zhemchuzhna, P Fekete, G Gumbs… - Physical Review …, 2020 - APS
We have investigated electron tunneling through an atomically smooth square potential
barrier for both the dice lattice and graphene under a linearly polarized off-resonant and …

Floquet engineering of tilted and gapped Dirac bandstructure in 1T-MoS

A Iurov, L Zhemchuzhna, G Gumbs, D Huang… - Scientific Reports, 2022 - nature.com
We have developed a rigorous theoretical formalism for Floquet engineering, investigating,
and subsequently tailoring most crucial electronic properties of 1T′-MoS 2 by applying an …

[HTML][HTML] Floquet modification of the bandgaps and energy spectrum in flat-band pseudospin-1 Dirac materials

A Iurov, M Mattis, L Zhemchuzhna, G Gumbs… - Applied Sciences, 2024 - mdpi.com
In this paper, we investigate the so-called electronic dressed states, a unified quasiparticle
resulting from the interaction between electrons in a two-dimensional material with an off …

Spin-valley polarized quantum anomalous Hall effect and a valley-controlled half-metal in bilayer graphene

X Zhai, YM Blanter - Physical Review B, 2020 - APS
We investigate topological phases of bilayer graphene subject to antiferromagnetic
exchange fields, interlayer bias, and light irradiation. We discover that at finite bias and light …