QM2 - Quantum Matter and Materials | April 28, 13:00
Witnessing quasi-particles in a strongly correlated electron system
In this presentation, I will introduce the field of time domain studies of correlated electron systems focusing on the interaction between phonons and high-energy excitation of electronic origin in cuprates. I will review our recent results in archetypal strongly correlated charge-transfer insulator (La2CuO4) revealing that photo-excitation in correlated materials pilots the formation of itinerant quasi-particles which are suddenly dressed (<100 fs) by an ultrafast reaction of the bosonic field. I will introduce our new approach to address correlated electron systems by a full quantum state reconstruction of ultrashort light pulses. I will explain Time Resolved Quantum Tomography and show how this provide a new perspective for addressing by time domain studies the quantum state of low energy boson in complex materials. References Nature Comm. 5, 5112 (2014) New J. Phys. 16 043004 (2014)
Daniele Fausti, University of Trieste and Elettra - Sincrotrone Trieste, Italy
Seminar Room, Institute of Physics II
Contact: Paul H. M. van Loosdrecht