Off-resonant polarized light-controlled thermoelectric transport in ultrathin topological insulators

Abstract

We study thermoelectric transport in ultrathin topological insulators under the application of circularly polarized off-resonant light of frequency Ω and amplitude A. We derive analytical expressions for the band structure, orbital magnetization Morb, and the thermal (\k{appa}xy) and Nernst (αxy) conductivities. Reversing the light polarization from right to left leads to an exchange of the conduction and valence bands of the symmetric and antisymmetric surface states and to a sign change in Morb,αxy, and \k{appa}xy. Varying the sample thickness or A/Ω leads to a strong enhancement of Morb and αxy. These effects, accessible to experiments, open the possibility for selective, state-exchanged excitations under light and the conversion of heat to electric energy.

arXiv comment5 pages and 6 figs

References in corpus (34)

• Topological Insulators
• Topological insulators and superconductors
• Thermal Properties of Graphene, Carbon Nanotubes and Nanostructured Carbon Materials
• Berry Phase Effects on Electronic Properties
• Photonic Floquet Topological Insulators
• Valley contrasting physics in graphene: magnetic moment and topological transport
• Floquet Topological Insulator in Semiconductor Quantum Wells
• Crossover of Three-Dimensional Topological Insulator of Bi2Se3 to the Two-Dimensional Limit
• Observation of Floquet-Bloch states on the surface of a topological insulator
• Transport properties of non-equilibrium systems under the application of light: Photo-induced quantum Hall insulators without Landau levels
• Tunable Multifunctional Topological Insulators in Ternary Heusler Compounds
• Thermoelectric and Magnetothermoelectric Transport Measurements of Graphene
• A new platform for topological quantum phenomena : Topological Insulator states in thermoelectric Heusler-related ternary compounds
• Massive Dirac fermions and spin physics in an ultrathin film of topological insulator
• Berry phase effect in anomalous thermoelectric transport
• Oscillatory crossover from two dimensional to three dimensional topological insulators
• Anomalous thermoelectric transport of Dirac particles in graphene
• Hedgehog Spin-texture and Berry's Phase tuning in a Magnetic Topological Insulator
• Anomalous Finite Size Effects on Surface States in the Topological Insulator Bi${}_2$Se${}_3$
• The thermopower and Nernst Effect in graphene in a magnetic field
• Exciton condensation and charge fractionalization in a topological insulator film
• Disorder-induced Floquet Topological Insulators
• In-plane transport and enhanced thermoelectric performance in thin films of the topological insulators Bi_2Te_3 and Bi_2Se_3
• Topological insulators for high performance terahertz to infrared applications
• Anomalous-Hall heat current and Nernst effect in the ferromagnet CuCr_2Se_{4-x}Br_x
• Insulating behavior in ultra-thin bismuth selenide field effect transistors
• Topological Floquet Spectrum in Three Dimensions via a Two-Photon Resonance
• Actinide Topological Insulator Materials with Strong Interaction
• Engineering Quantum Anomalous Hall Plateaus and Anti-Chiral States with AC Fields
• Magneto-optical conductivity in a topological insulator
• Transverse magnetic heat transport on the topological surface
• Optical properties of magnetically doped ultra-thin topological insulator slabs
• Resonant manifestations of chiral excitons in magnetooptical Faraday and Kerr effects in topological insulator film
• Orbital magnetic moments in insulating Dirac systems: Impact on magnetotransport in graphene van der Waals heterostructures

Cited by in corpus (13)

• Driven conductance of an irradiated semi-Dirac material
• Probing Topological signatures in an optically driven $\alpha$-$T_3$ Lattice
• Photo-induced tunable Anomalous Hall and Nernst effects in tilted Weyl Semimetals using Floquet theory
• Effects of photon field on heat transport through a quantum wire attached to leads
• Valley-controlled transport in graphene/ WSe${}_2$ heterostructures under an off-resonant polarized light
• Off-resonant light-induced topological phase transition and thermoelectric transport in semi-Dirac materials
• Anomalous Nernst effect on a magnetically-doped topological insulator surface: A Green's function approach
• Spin texture of an irradiated warped topological insulator surface
• Anomalous thermoelectric properties of a Floquet topological insulator with spin momentum non-orthogonality
• Photoinduced metallic Volkov-Pankratov states in semi-Dirac material
• Anomalous Behaviour in the Magneto-Optics of a Gapped Topological Insulator
• Unconventional quantum Hall effect in Floquet topological insulators
• Time-reversal invariant resonant backscattering on a topological insulator surface driven by a time-periodic gate voltage