Welcome to the KECK Center for Quantum Magnetism
KECK Center for Quantum Magnetism
KCQM News and Announcements
Research highlights: New Paradigm for Transverse Electromagnetic Responses
Electrotoroidicity: New Paradigm for Transverse Electromagnetic Responses
Transverse electromagnetic responses reveal a fascinating landscape of phenomena—such as the Hall effect, Faraday rotation, and directional dichroism—traditionally linked to magnetotoroidicity. Now, we unveil a fundamentally different class of responses driven by electrotoroidicity in ferro-rotational (FR) systems that preserve both spatial-inversion and time-reversal symmetries.
Our paper has just been accepted in Nature Physics!
Can’t wait to share this—see it firsthand here:
🔗 https://doi.org/10.48550/arXiv.2510.00462
The 45th Rutgers-Princeton May Day Relay Race
"Miles of legacy, moments of joy."
The 45th Rutgers-Princeton May Day Relay Race
May 4, 2025
KCQM Research Team
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Sang-Wook Cheong
- Information
- Single Crystals Specialist
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Andrei Sirenko
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- THz Vortex Beam Specialist
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Valery Kiryukhin
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- Soft-Xray Vortex Beam Specialist