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JOŽEF STEFAN INSTITUTE
Department of Complex Matter
Jamova cesta 39, 1000 Ljubljana, Slovenia

Dynamics of Quantum matter

We explore non-equilibrium many-body dynamics in quantum systems that experience symmetry-breaking, topological, or jamming transitions. These systems encompass superconductors, charge-density wave, and magnetic materials.

Experimental Soft Matter Physics

The research is conducted within the “Light and Matter” research program. The interaction of light with matter is one of the most important fields of physics and optical processes are indispensable in many branches of modern industry.

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February 6, 2024
The absence of efficient light modulators for extreme ultraviolet - EUV and X-ray photons considerably limits their real-life application, particularly when even slight complexity of the beam patterns is required. In ...

Home / Work with us / Job opportunities / Ultrafast tuneling microscopy
PhD | Dynamics of Quantum Matter

Ultrafast tuneling microscopy

Contact: Dragan Mihailović

Email: dragan.mihailovic@ijs.si

Non-equilibrium states of matter have become of great fundamental and practical interest in recent years because of their wide importance in diverse areas of physics. With the rapid development of new time-resolved techniques, the temporal dynamics of competing processes and interactions were recently elucidated in a wide variety of complex condensed matter systems. However, the physics of metastable mesoscopically non-periodic quantum textures emerging from phase transitions has been largely experimentally inaccessible till now: current state of the art time-resolved methods using x-rays, electron diffraction, photoemission, THz and optical spectroscopy all average over multiple transition outcomes. Moreover, they cannot resolve irregular nonperiodic nanoscale structures. Thus, a large field of mesoscopic quantum physics of metastable quantum states remains largely unexplored. Here we propose to develop a unique set of tools to investigate mesoscopic metastable irregular textures created under controlled non-equilibrium conditions in quantum materials, with focus on topological and quantum jamming phenomena. Temporally tempered excitation techniques combined with time-resolved scanning tunnelling microscopy will be used to studying single and multiple transition outcomes with atomic spatial resolution on timescales from picoseconds to hours. Experiments supplemented by new theoretical approaches will address the creation processes, relaxation dynamics and quantum decoherence of metastable mesoscopic structures, as well as manipulation and control. Theoretical approaches for addressing resulting quantum states include fracton-derived models and quantum annealing on a quantum computer. The project opens the path to detailed exploration of a new class of metastable physical phenomena of wide fundamental interest in different areas of physics, while opening new avenues in non-equilibrium solid state quantum systems technology.