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SYFC: Symposium Designing Quantum Materials with Light: From Floquet to Cavity Engineering

SYFC 1: Designing Quantum Materials With Light: from Floquet to Cavity Engineering

SYFC 1.4: Hauptvortrag

Montag, 9. März 2026, 11:15–11:45, HSZ/AUDI

(Quantum) Light Control of Materials — •Dante Kennes — RWTH Aachen University, Germany — MPSD Hamburg, Germany

Light offers a versatile handle for tailoring quantum materials. I will outline two complementary examples focusing on their theoretical and computational nonequilibrium quantum many-body descriptions: (i) Ultrafast optical drives can transiently reshape a solid's symmetry and electronic structure, where for the latter Floquet engineering provides the framework for accessing and stabilizing novel non-equilibrium phases [1]. (ii) Embedding a material in an optical cavity couples it to quantized photon modes, unlocking new many-body phenomena in the realm of cavity quantum electrodynamics [2]. I will close with an outlook on merging these strategies with the flexibility of two-dimensional heterostructures to enable on-demand design of quantum functionalities [3].

[1] Rev. Mod. Phys. 93, 041002 (2021)

[2] Appl. Phys. Rev. 9, 011312 (2022)

[3] Nat. Phys. 17, 155 (2021)

Keywords: Cavitronics; Floquet Engineering; twistronics; Driven Quantum Many-Body Physics; tensor networks