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We study a two-dimensional topological system driven out of equilibrium by the application of elliptically polarized light. In particular, we analyze the Bernevig-Hughes-Zhang model when it is perturbed using an elliptically polarized light…

Mesoscale and Nanoscale Physics · Physics 2022-12-13 Ranjani Seshadri , Diptiman Sen

Within the Floquet theory of periodically driven quantum systems, the nonlinear single-spin dynamics under pulse of a circularly polarized electromagnetic field is analyzed. It is demonstrated that the field, first, lifts the spin…

Quantum Physics · Physics 2022-04-11 O. V. Kibis

The Weyl semimetal exhibits various interesting physical phenomena because of the Weyl points, i.e., linear band-crossings. We show by Floquet theory that a linearly polarized light applied to a band insulator can induce controllable Weyl…

Materials Science · Physics 2016-12-19 Xiao-Xiao Zhang , Tze Tzen Ong , Naoto Nagaosa

We introduce a mechanism for light-induced Floquet engineering of the Fermi surface to dynamically tip the balance between competing instabilities in correlated condensed matter systems in the vicinity of a van-Hove singularity. We first…

Strongly Correlated Electrons · Physics 2019-08-14 Dante M. Kennes , Martin Claassen , Michael A. Sentef , Christoph Karrasch

The concept of `Floquet engineering' relies on an external periodic drive to realise novel, effectively static Hamiltonians. This technique is being explored in experimental platforms across physics, including ultracold atoms, laser-driven…

In Floquet engineering, we apply a time-periodic modulation to change the effective behavior of a wave system. In this work, we generalize Floquet engineering to exploit spatial degrees of freedom, expanding the scope of effective behaviors…

Optics · Physics 2025-02-04 Stella T. Schindler , Hanan Herzig Sheinfux

In order to investigate photoinduced insulator-metal transitions observed in correlated electron systems, we propose a new theoretical method, where we combine a Floquet-matrix method for AC-driven systems with the dynamical mean-field…

Strongly Correlated Electrons · Physics 2015-05-13 Naoto Tsuji , Takashi Oka , Hideo Aoki

The Floquet spectrum in an anisotropic tilted Dirac semimetal modulated by linearly polarized light is addressed through the solution of the time-dependent Schr\"odinger equation for the two-dimensional Dirac Hamiltonian via the Floquet…

Mesoscale and Nanoscale Physics · Physics 2020-07-15 J. C. Sandoval-Santana , V. G. Ibarra-Sierra , A. Kunold , Gerardo G. Naumis

Motivated by the recent experimental realization of twisted trilayer graphene and the observed superconductivity that is associated with its flat bands at specific angles, we study trilayer graphene under the influence of different forms of…

Mesoscale and Nanoscale Physics · Physics 2021-12-08 I. A. Assi , J. P. F. LeBlanc , Martin Rodriguez-Vega , Hocine Bahlouli , Michael Vogl

We show how second-order Floquet engineering can be employed to realize systems in which many-body localization coexists with topological properties in a driven system. This allows one to implement and dynamically control a…

Disordered Systems and Neural Networks · Physics 2020-05-20 Kevin S. C. Decker , Christoph Karrasch , Jens Eisert , Dante M. Kennes

External coherent fields can drive quantum materials into non-equilibrium states, revealing exotic properties that are unattainable under equilibrium conditions -- an approach known as ``Floquet engineering.'' While optical lasers have…

Mesoscale and Nanoscale Physics · Physics 2024-11-27 Christopher Yang , Will Hunt , Gil Refael , Iliya Esin

We consider an ensemble of ultracold bosonic atoms within a near-planar cavity, driven by a far detuned laser whose phase is modulated at a frequency comparable to the transverse cavity mode spacing. We show that a strong, dispersive…

Light scattering in a magnetic medium with uncorrelated inclusions is theoretically studied in the approximation of ladder diagram. Correlation between polarizations of electromagnetic waves that are produced by infinitely-distant dipole…

Optics · Physics 2017-03-08 M. A. Kozhaev , R. A. Niyazov , V. I. Belotelov

We study the optical properties of semiconducting transition metal dichalcogenide monolayers under the influence of strong out-of-plane magnetic fields, using the effective massive Dirac model. We pay attention to the role of spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2019-03-14 G. Catarina , J. Have , J. Fernández-Rossier , N. M. R. Peres

We study the coherent properties of plasmon polaritons optically excited on periodic nanostructures. The gold grains are coupled to a single mode photonic waveguide which exhibits a dramatically reduced transmission originating from the…

Mesoscale and Nanoscale Physics · Physics 2015-09-16 Regine Frank

Floquet engineering of cavity magnon-polaritons by periodically modulating the magnon frequency has recently attracted much interest as a way to manipulate the energy spectrum of magnon-photon hybrid systems. However, modulating the…

Mesoscale and Nanoscale Physics · Physics 2026-05-08 L. Hackner , A. R. Myatt , W. Wustmann , N. J. Lambert

Cavity optomechanical systems enable fine manipulation of nanomechanical degrees of freedom with light, adding operational functionality and impacting their appeal in photonic technologies. We show that distinct mechanical modes can be…

Optics · Physics 2022-10-05 Karl Pelka , Guilhem Madiot , Rémy Braive , André Xuereb

The interaction between light and matter can give rise to novel topological states. This principle was recently exemplified in Floquet topological insulators, where \emph{classical} light was used to induce a topological electronic band…

Quantum Gases · Physics 2015-07-08 Torsten Karzig , Charles-Edouard Bardyn , Netanel Lindner , Gil Refael

The interplay of chiralities in light and quantum matter provides an opportunity to design and manipulate chirality-dependent properties in quantum materials. Herein we report the chirality-dependent Floquet engineering on topological…

Optics · Physics 2025-02-05 Benshu Fan , Wenhui Duan , Angel Rubio , Peizhe Tang

The ponderomotive force is an effective static force that a particle feels in an oscillating field, whose static potential may be called the ponderomotive potential. We generalize this notion to periodically driven quantum many-body…

Strongly Correlated Electrons · Physics 2024-09-09 Zhiyuan Sun
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