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Controlling the magnetic state of the proximate quantum spin liquid α-RuCl<sub>3</sub> with an optical cavity

Physics

Controlling the magnetic state of the proximate quantum spin liquid α-RuCl<sub>3</sub> with an optical cavity

E. V. Boström, A. Sriram, et al.

Explore groundbreaking research by Emil Viñas Boström, Adithya Sriram, Martin Claassen, and Angel Rubio, revealing how the magnetic state of α-RuCl3 can be controlled using a Fabry-Pérot cavity. This fascinating study uncovers the stabilization of various magnetic phases, showcasing a transition driven by THz regime cavity vacuum fluctuations.

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Playback language: English
Abstract
This research demonstrates the control of the magnetic state of the proximate quantum spin liquid α-RuCl<sub>3</sub> using a Fabry-Pérot cavity. By manipulating cavity properties like mode frequency, photon occupation, and light-matter coupling strength, various magnetic phases predicted by the extended Kitaev model can be stabilized. Notably, THz regime cavity vacuum fluctuations alone transition α-RuCl<sub>3</sub> from a zigzag antiferromagnetic to a ferromagnetic state. Further, low-photon-limit cavity pumping achieves the antiferromagnetic Kitaev quantum spin liquid state.
Publisher
npj Computational Materials
Published On
Oct 23, 2023
Authors
Emil Viñas Boström, Adithya Sriram, Martin Claassen, Angel Rubio
Tags
quantum spin liquid
α-RuCl3
magnetic phases
Fabry-Pérot cavity
Kitaev model
THz regime
light-matter coupling

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