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For questions about mathematical problems arising from physics, the natural science studying general properties of matter, radiation and energy.
43
votes
Accepted
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 …