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Updated: Jan 15, 2026
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Microwave Photonics Systems Based on Whispering-gallery-mode Resonators
Published on: August 5, 2013
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Phase transitions induced by resonant light: A phenomenological approach
A Kudlis1, L S Ricco1, H Sigurðsson1,2
1Science Institute, University of Iceland, Dunhagi-3, IS-107 Reykjavik, Iceland.
The Journal of Chemical Physics
|October 8, 2025
Summary
This study introduces a new framework for light-induced phase transitions (LIPTs) using excitons. The model successfully explains all-optical magnetization switching in 2D magnetic materials like CrI3.
Area of Science:
- Condensed matter physics
- Materials science
- Quantum optics
Background:
- Light-induced phase transitions (LIPTs) are crucial phenomena in condensed matter.
- Exciton-mediated LIPTs require advanced theoretical frameworks.
- Controlling magnetic properties with light is a key technological goal.
Purpose of the Study:
- To develop a phenomenological framework for exciton-mediated LIPTs.
- To extend classical Landau theory for dynamic excitonic fields.
- To model all-optical resonant magnetization switching in 2D magnetic materials.
Main Methods:
- Phenomenological modeling incorporating Landau theory.
- Introduction of dynamic coupling between order parameter and excitonic fields.
- Inclusion of Langevin-type forces for free energy minimization.
Main Results:
- The framework successfully describes LIPTs mediated by resonant excitons.
- The model reproduces experimental results for all-optical magnetization switching in monolayer CrI3.
- Demonstrated applicability to systems with light-generated excitons and order parameters.
Conclusions:
- The developed model provides a versatile tool for studying exciton-mediated LIPTs.
- The framework can guide future experimental and theoretical research in light-matter interactions.
- Offers insights into controlling magnetic properties of 2D materials using light.
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