Nov 8, 2023

No Lasers Needed: Optical Cavity’s Quantum Trick Alters Material Magnetism

Posted by in categories: computing, quantum physics

A new theoretical approach allows the alteration of α-RuCl3’s magnetic properties through quantum fluctuations in an optical cavity, providing a laser-free avenue for material manipulation.

Researchers in Germany and the USA have produced the first theoretical demonstration that the magnetic state of an atomically thin material, α-RuCl3, can be controlled solely by placing it into an optical cavity. Crucially, the cavity vacuum fluctuations alone are sufficient to change the material’s magnetic order from a zigzag antiferromagnet into a ferromagnet. The team’s work has been published in the scientific journal npj Computational Materials.

Advancements in Material Physics.

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