Research group Ultrafast Dynamics in Condensed Matter

Welcome to the group of Ultrafast Dynamics in Condensed Matter!

Our research efforts focus on the use of strong laser fields (in particular in the near-infrared and terahertz range) to manipulate quantum materials on ultrafast time scales. The response of these materials is probed with femtosecond lasers or femtosecond x-ray pulses generated at free electron lasers. Particular focus is dedicated to the investigation of spin and phonon dynamics in condensed matter.

Group managers

Stefano Bonetti

UDCM

All publications for UDCM

Department of Physics

Kasturie Dileep Jatkar's thesis in Chemical Physics

Fysikum congratulates our PhD student Kasturie Dileep Jatkar, who successfully defended her thesis: ‘Phase-corrected time-domain terahertz spectroscopy in reflection geometry’ on 15 April 2025.

Quantum breakthrough when light makes materials magnet

The potential of quantum technology is huge but is today largely limited to the extremely cold environments of laboratories. Now, researchers at Stockholm University, at the Nordic Institute for Theoretical Physics and at the Ca’ Foscari University of Venice have succeeded in demonstrating for the very first time how laser light can induce quantum behavior at room temperature – and make non-magnetic materials magnetic. The breakthrough is expected to pave the way for faster and more energy-efficient computers, information transfer and data storage.

Department of Physics

Magnetic sandwich between two worlds

An international research team involving Stockholm University creates a bridge between the macroscopic and quantum worlds. An international research team, including Stefano Bonetti, a researcher at Fysikum in Stockholm, and led by Helmholtz-Zentrum Dresden-Rossendorf (HZDR), has developed an effective new method for making electromagnetic waves - the waves that allow our mobile phones to communicate - interact with microscopic "spin waves", or magnetic waves.

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