Bicircular light tuning of magnetic symmetry and topology in Dirac semimetal Cd${}_3$As${}_2$

Abstract

We show that Floquet engineering using bicircular light (BCL) is a versatile way to control magnetic symmetries and topology in materials. The electric field of BCL, which is a superposition of two circularly polarized light waves with frequencies that are integer multiples of each other, traces out a rose pattern in the polarization plane that can be chosen to break selective symmetries, including spatial inversion. Using a realistic low-energy model, we theoretically demonstrate that the three-dimensional Dirac semimetal Cd${}_3$As${}_2$ is a promising platform for BCL Floquet engineering. Without strain, BCL irradiation induces a transition to a non-centrosymmetric magnetic Weyl semimetal phase with tunable energy separation between the Weyl nodes. In the presence of strain, we predict the emergence of a magnetic topological crystalline insulator with exotic unpinned surface Dirac states that are protected by a combination of twofold rotation and time-reversal $(2^{\prime })$ and can be controlled by light.

arXiv comment6 pages, 4 figures (includes Supplemental Material 14 pages, 6 figures)

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• Floquet engineering of magnetic topological insulator MnBi${}_2$Te${}_4$ films
• Topological Floquet engineering using two frequencies in two dimensions
• Light-induced phase crossovers in a quantum spin Hall system
• Photocurrent induced by a bicircular light drive in centrosymmetric systems
• Engineering Floquet topological phases using elliptically polarized light
• Disentangling the Competing Mechanisms of Light-Induced Anomalous Hall Conductivity in Three-Dimensional Dirac Semimetal
• Light-induced switching between singlet and triplet superconducting states
• Robust and tunable Weyl phases by coherent infrared phonons in ZrTe${}_5$
• Stimulated Rayleigh Scattering Enhanced by a Longitudinal Plasma Mode in a Periodically Driven Dirac Semimetal Cd${}_3$As${}_2$
• Symmetry manipulation of nonlinear optical effect for metallic TMDC
• Chiral Floquet Engineering on Topological Fermions in Chiral Crystals
• Light-induced Odd-parity Magnetism in Conventional Collinear Antiferromagnets
• Controllable Weyl Nodes and Fermi Arcs from Floquet Engineering Triple Fermions
• Programmable generation of counterrotating bicircular light pulses in the multi-terahertz frequency range
• Light-induced large and tunable valley-selective Hall effect in a centrosymmetric system
• Controllable photocurrent generation in Dirac systems with two frequency drives
• Floquet topological phases on a honeycomb lattice using elliptically polarized light
• Two-color laser control of photocurrent and high harmonics in graphene
• Light-Induced Mirror Symmetry Breaking and Charge Transport
• From linear to circular polarized light -- Floquet engineering in Kitaev-Heisenberg materials with Lissajous figures
• Monolayer transition metal dichalcogenides under finite-pulse polarized radiation
• Light-induced inverse spin Hall effect and field-induced circular photogalvanic effect in GaAs revealed by two-dimensional terahertz Fourier analysis
• Floquet-Engineering Weyl Points and Linked Fermi Arcs from Straight Nodal Lines
• Floquet composite Dirac semimetals
• Gyrotropic Magnetic Effect in Black Phosphorus Irradiated with Bicircular Light
• Photo-induced Non-collinear Interlayer RKKY Coupling in Bulk Rashba Semiconductors
• Correction of broadband terahertz electro-optic sampling with GaSe crystals
• Floquet second-order topological insulator in strained graphene
• Physics-informed neural networks for solving saddle-point equations in strong-field physics with tailored fields
• Phase transition from Weyl to self-linked semimetal using bi-circular laser
• Floquet engineering with spatially non-uniform driving fields