Physics

New framework links magnetic phase boundaries to string-like defects in spin ice

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Phase transitionCondensed matter p…

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A research team led by Professor Haruki Watanabe at HKUST, collaborating with scientists from the University of Tokyo, has developed a unified theoretical framework that determines when two states of matter are fundamentally different versus when they represent the same state. The theory specifically addresses magnetic phase boundaries and their relationship to string-like defects in spin ice materials, providing new mathematical tools to classify and predict phase transitions in these complex magnetic systems.


This theoretical framework advances our understanding of phase transitions in magnetic materials, which is crucial for developing next-generation magnetic storage devices and quantum computing technologies. The ability to predict and distinguish between different magnetic states could enable more precise control of material properties in technological applications.


A research team led by Haruki Watanabe, a professor in the Department of Physics and the Jockey Club Institute for Advanced Study (IAS) at The Hong Kong University of Science and Technology (HKUST), in collaboration with professor Yukitoshi Motome and graduate student Sena Watanabe from the University of Tokyo, has developed a unified theory that predicts when two states of matter are genuinely distinct and when they are actually the same.

Source: New framework links magnetic phase boundaries to string-like defects in spin ice