Pressure-Tuned Metamagnetism and Three-Body Interactions in CsFeCl3
Published:Dec 25, 2025 13:55
•1 min read
•ArXiv
Analysis
This paper investigates the magnetic properties of the quantum antiferromagnet CsFeCl3 under high magnetic fields and pressures. It combines experimental and theoretical approaches to reveal a complex magnetization process, including a metamagnetic transition. The key finding is the emergence of three-body interactions, which are crucial for understanding the observed fractional steps in magnetization at high fields. This challenges conventional spin models and opens possibilities for exploring exotic phases in quantum magnets.
Key Takeaways
- •CsFeCl3 exhibits complex magnetic behavior under high field and pressure.
- •Three-body interactions are found to be crucial for understanding the high-field magnetization.
- •The study challenges conventional spin models and opens avenues for exploring exotic phases.
Reference
“The high-field regime requires a new perspective, which we provide through a projected spin-1/2 framework built from Zeeman-selected crystal-field states not related by time reversal. This construction naturally allows emergent three-body interactions on triangular plaquettes and explains the asymmetric evolution of the fractional steps in the magnetization.”