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For questions about mathematical problems arising from physics, the natural science studying general properties of matter, radiation and energy.

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Has the Lie group E8 really been detected experimentally?

Back around 1990, there was a series of theoretical "deductions" (in the weak sense of physics) investigating what the appropriate theoretical model should be for the situation in the magnet experiment … The Physics Today article on the subject paraphrases Subir Sachdev: only recently could researchers reach the high fields and low temperatures needed to access the critical point and have high …
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