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1st TIMES Workshop joint with ETSF

7–10 Apr 2025
Main Physics Building
Europe/London timezone

Local organizer

Session

Session 5

9 Apr 2025, 14:30
Bell Lecture Theatre (Main Physics Building)

Bell Lecture Theatre

Main Physics Building

School of Mathematics and Physics Queen's University Belfast University Rd, Belfast BT7 1NN, United Kingdom

Conveners

Session 5: Ultrafast electron dynamics. Theory and Experiments

  • Claudio Attaccalite 🎓 (CNRS, ETSF, TIMES)

Presentation materials

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  1. 36. Exploring Electron Dynamics with Time-Resolved ARPES at Artemis Facility
    Dr Yu Zhang (Central Laser Facility, STFC)
    09/04/2025, 14:30
    Talk

    Using an ultrashort pulsed extreme ultraviolet laser as the photon source, angle-resolved photoemission spectroscopy (ARPES) has expanded the study of electronic structure beyond the 3D momentum space and into the temporal domain with femtosecond resolution. This advancement in studying electron dynamics greatly enhances the characterization and identification of exotic phase transitions in...

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  2. 6. Electron charge dynamics and charge separation: A response theory approach
    Vitaly Gorelov
    09/04/2025, 15:10
    Talk

    This study investigates the application of response theory to describe excited-state electron charge dynamics, focusing on the phenomena of charge separation. We examine the strengths and limitations of linear and quadratic response theories, using a model that mimics the behavior of photovoltaic systems. While linear response theory effectively describes small perturbations, it cannot account...

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  3. 8. Skyrmions, electrons, and possibly photons
    Claudio Verdozzi (Lund University)
    09/04/2025, 16:10
    Talk

    Magnetic skyrmions are vortex-like spin textures of potential interest for racetrack memories, nanoengines, but also quantum and neuromorphic computing. We consider magnetic skyrmions from localised-spin textures coupled to itinerant electrons. The electron dynamics is described either via Green's functions (NEGF-GKBA) or exact diagonalization, and the localised spins classically or quantum...

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  4. 30. The entanglement perspective on the Auger decay
    Emil Östberg (Lund University)
    09/04/2025, 16:50
    Talk

    The Auger process is well known as a spectroscopic fingerprint for elemental identification, but it also provides a unique platform for studying electron entanglement. To gain theoretical insight into this latter aspect, we address entanglement formation in a model molecule following electronic transitions induced by a light-pulse, and its subsequent disappearance due to decoherence effects...

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