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Updated: Jan 23, 2026
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Published on: May 7, 2017
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Heisenberg-Kitaev physics in magnetic fields
Lukas Janssen1, Matthias Vojta1
1Institut für Theoretische Physik and Würzburg-Dresden Cluster of Excellence ct.qmat, Technische Universität Dresden, 01062 Dresden, Germany.
Summary
Magnetic insulators with strong spin-orbit coupling show complex behaviors in magnetic fields. This review covers theoretical models and experimental findings in materials like alpha-RuCl3, focusing on frustrated magnetic interactions.
Area of Science:
- Condensed Matter Physics
- Materials Science
- Quantum Magnetism
Background:
- Magnetic insulators with strong spin-orbit coupling display unique phenomena due to frustrated interactions.
- Models with bond-dependent spin exchange, like the Kitaev model, are crucial for understanding these behaviors.
Purpose of the Study:
- To review recent advances in understanding the magnetic field responses of frustrated magnets.
- To connect theoretical predictions with experimental observations in specific materials.
Main Methods:
- Theoretical review of models with strongly bond-dependent spin exchange interactions.
- Analysis of field-induced phases and magnetization processes.
- Comparison of theoretical results with experimental data.
Main Results:
- Intriguing field responses in magnetic insulators arise from frustrated effective interactions.
- Kitaev's honeycomb model and its extensions describe complex magnetization processes.
- Experimental results in alpha-RuCl3 and Na2IrO3 align with theoretical predictions.
Conclusions:
- Strong spin-orbit coupling and frustrated interactions are key to exotic magnetic behaviors.
- Theoretical models provide a framework for understanding field responses in materials like alpha-RuCl3.
- Further research can bridge theory and experiment for novel quantum magnetic phenomena.
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