Driven quantum materials

1 Jun 2021 - 5:00pm
General public (Age 14+)

Brebis Bleaney Memorial Lecture

Driven quantum materials

Prof Andrea Cavalleri

Department of Physics, University of Oxford (UK)
Max Planck Institute for the Structure and Dynamics of Matter, Hamburg (Germany)

I will discuss how coherent electromagnetic radiation at Tera-Herz frequencies can be used to drive quantum solids periodically, leading to non-equilibrium magnetic, ferroelectric and superconducting phases. These ordering phenomena are sometimes observed at temperatures higher than the thermodynamic transition temperatures, due to induced synchronization between otherwise incoherent fluctuations. I will also discuss how these phenomena can be interrogated, introducing along the way many innovations in experimental methods to study materials physics at the shortest timescales.

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