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Research group Ultrafast Dynamics in Condensed Matter

Welcome to the group of Ultrafast Dynamics in Condensed Matter!

UDCM group2020 Venice

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 members

Group managers

Stefano Bonetti

Forskare

Department of Physics
08-553 786 55
Stefano Bonetti
stefano.bonetti@fysik.su.se
See profile page for Stefano Bonetti

Members

Kasturie Dileep Jatkar

Phd Student

Department of Physics
kasturie.jatkar@fysik.su.se
See profile page for Kasturie Dileep Jatkar

Tien-Tien Yeh

Postdoctoral fellow

Nordic Institute for Theoretical Physics (NORDITA)
tien.tien.yeh@su.se
See profile page for Tien-Tien Yeh

Research projects

Ultrafast magnetism

An often forgotten energy consumer is the internet. Data centres, where information is stored in the form of magnetic bits, waste most of their energy as heat. Improve the control over magnetic information is crucial for our society is to prosper.

ERC Magnetic Speed Limit Logo - ERC Logo för magnetisk hastighetsbegränsning

Publications

UDCM

All publications for UDCM

News

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.

The laser light is circularly polarized. Image created by AI
Physics - Theme page
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.

Geometry-dependent SOT-driven magnetization dynamics
Physics - Theme page