Floquet engineering of tilted and gapped Dirac bandstructure in 1T-MoS
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 …
and subsequently tailoring most crucial electronic properties of 1T′-MoS 2 by applying an …
Photoinduced topological phase transition in monolayer
P Liu, C Cui, ZM Yu - Physical Review B, 2024 - APS
The TiSiCO-family monolayer X 2 Y CO 2 (X= Ti, Zr, Hf; Y= Si, Ge) is a two-dimensional
second-order topological insulator with unique valley-layer coupling in equilibrium …
second-order topological insulator with unique valley-layer coupling in equilibrium …
Light-induced half-quantized Hall effect and axion insulator
Motivated by the recent experimental realization of the half-quantized Hall effect phase in a
three-dimensional (3D) semimagnetic topological insulator [M. Mogi, Nat. Phys. 18, 390 …
three-dimensional (3D) semimagnetic topological insulator [M. Mogi, Nat. Phys. 18, 390 …
Effects of topological and non-topological edge states on information propagation and scrambling in a Floquet spin chain
The action of any local operator on a quantum system propagates through the system
carrying the information of the operator. This is usually studied via the out-of-time-order …
carrying the information of the operator. This is usually studied via the out-of-time-order …
Floquet-Engineering Topological Phase Transition in Graphene Nanoribbons by Light
Abstract Quasi-one-dimensional (1D) graphene nanoribbons (GNRs) play a crucial role in
advancement of next-generation devices. Recent studies have suggested their potential to …
advancement of next-generation devices. Recent studies have suggested their potential to …
Optical conductivity of a topological system driven using a realistic pulse
R Seshadri, T Pereg-Barnea - Physical Review B, 2023 - APS
The effect of a time-periodic perturbation, such as radiation, on a system otherwise at
equilibrium has been studied in the context of Floquet theory with stationary states replaced …
equilibrium has been studied in the context of Floquet theory with stationary states replaced …
Elementary excitations in the hybrid Bose-Fermi system induced by circularly polarized light in a two-dimensional gas of charge carriers with different masses
We developed a theory describing elementary excitations in the Bose-Fermi system induced
by circularly polarized light in a two-dimensional (2D) gas of charge carriers with different …
by circularly polarized light in a two-dimensional (2D) gas of charge carriers with different …
Floquet topological phases on a honeycomb lattice using elliptically polarized light
R Seshadri - Materials Research Express, 2023 - iopscience.iop.org
We study the effect of driving a two-dimensional honeycomb system out of equilibrium using
an elliptically polarized light as a time-dependent perturbation. In particular, we try to …
an elliptically polarized light as a time-dependent perturbation. In particular, we try to …
Optically induced delocalization of electrons bound by attractive potentials
Within the Floquet theory of periodically driven quantum systems, we demonstrate that a
circularly polarized off-resonant electromagnetic field can destroy the electron states bound …
circularly polarized off-resonant electromagnetic field can destroy the electron states bound …
Electronic states bound by repulsive potentials in graphene irradiated by a circularly polarized electromagnetic field
In the framework of the Floquet theory of periodically driven quantum systems, it is
demonstrated that irradiation of graphene by a circularly polarized electromagnetic field …
demonstrated that irradiation of graphene by a circularly polarized electromagnetic field …