Phonon driven Floquet matter

Abstract

A resonantly excited coherent phonon leads to a periodic oscillation of the atomic lattice in a crystal structure bringing the material into a non-equilibrium electronic configuration. Periodically oscillating quantum systems can be understood in terms of Floquet theory and we show these concepts can be applied to coherent lattice vibrations reflecting the underlying coupling mechanism between electrons and bosonic modes. This coupling leads to dressed quasi-particles imprinting specific signatures in the spectrum of the electronic structure. Taking graphene as a paradigmatic material we show how the phonon-dressed states display an intricate sideband structure revealing electron-phonon coupling and topological ordering. This work establishes that the recently demonstrated concept of light-induced non-equilibrium Floquet phases can also be applied when using coherent phonon modes for the dynamical control of material properties. The present results are generic for bosonic time-dependent perturbations and similar phenomena can be observed for plasmon, magnon or exciton driven materials.

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Cited by in corpus (53)

• Octopus, a computational framework for exploring light-driven phenomena and quantum dynamics in extended and finite systems
• Floquet second-order topological insulators from nonsymmorphic space-time symmetries
• Phonon-derived ultrafast relaxation of spin-valley polarized states in MoS_{2}
• Local Berry curvature signatures in dichroic angle-resolved photoelectron spectroscopy
• Floquet analysis of excitations in materials
• Ultrafast dynamics of electrons and phonons: from the two-temperature model to the time-dependent Boltzmann equation
• Terahertz driven extremely nonlinear bulk photogalvanic currents in non-resonant conditions
• Dynamics and Spin-Valley Locking Effects in Monolayer Transition Metal Dichalcogenides
• Predicting charge transport in the presence of polarons: The beyond-quasiparticle regime in SrTiO${}_3$
• How Circular Dichroism in time- and angle-resolved photoemission can be used to spectroscopically detect transient topological states in graphene
• Observation of the polaronic character of excitons in a two-dimensional semiconducting magnet $\mathrm{Cr}{\mathrm{I}}_3$
• Magnetically brightened dark electron-phonon bound states in a van der Waals antiferromagnet
• Direct observation of Floquet-Bloch states in monolayer graphene
• Phonon-induced Floquet second-order topological phases protected by space-time symmetries
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• Direct measurement of electron-phonon coupling with time-resolved ARPES
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• Controlling Floquet states on ultrashort time scales
• Floquet topological phase of nondriven $p$-wave nonequilibrium excitonic insulators
• Selection rules in symmetry-broken systems by symmetries in synthetic dimensions
• Photo-induced nonequilibrium states in Mott insulators
• Advancing time- and angle-resolved photoemission spectroscopy: The role of ultrafast laser development
• Probing phonon-driven symmetry alterations in graphene via high-harmonic spectroscopy
• Adiabatic dynamics of coupled spins and phonons in magnetic insulators
• Copropagating edge states produced by the interaction between electrons and chiral phonons in two-dimensional materials
• From carriers and virtual excitons to exciton populations: Insights into time-resolved ARPES spectra from an exactly solvable model
• Revealing Ultrafast Phonon Mediated Inter-Valley Scattering through Transient Absorption and High Harmonic Spectroscopies
• Polarization as a tuning parameter for Floquet engineering: magnetism in the honeycomb, square, and triangular Mott insulators
• First-principles modelling for time-resolved ARPES under different pump-probe conditions
• Robust edge states induced by electron-phonon interaction in graphene nanoribbons
• Phonon-driven ultrafast symmetry lowering in a Bi${}_2$Se${}_3$ crystal
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• Terahertz Control of Linear and Nonlinear Magno-Phononics
• Direct driving of electronic and phononic degrees of freedom in a honeycomb bilayer with infrared light
• A New Era of Quantum Materials Mastery and Quantum Simulators In and Out of Equilibrium
• Emergent topological phases and coexistence of gapless and spectral-localized Floquet quantum spin Hall states via electron-phonon interaction
• Phonon state tomography of electron correlation dynamics in optically excited solids
• High-purity valley-polarized currents induced by bichromatic optical fields in two-dimensional materials
• X-Ray Scattering from Light-Driven Spin Fluctuations in a Doped Mott Insulator
• Observation of angular momentum transfer among crystal lattice modes
• Topological excitations in quasi two-dimensional quantum magnets with weak interlayer interactions
• Time- and angle-resolved photoelectron spectroscopy of strong-field light-dressed solids: prevalence of the adiabatic band picture
• Probing phonon dynamics with multi-dimensional high harmonic carrier envelope phase spectroscopy
• Quantized Acoustoelectric Floquet Effect in Quantum Nanowires
• Interaction effects on electronic Floquet spectra: Excitonic effects