Beautiful quasiparticles: E8 symmetry has been spotted in a magnet
An unusual form of symmetry known as E8 which some physicists believe underlies a theory of everything may have been spotted in a solid material for the first time. Physicists claim to have shown that the 8D symmetry group describes the spectrum of spin configurations that emerge when a 1D chain of spins is chilled to near absolute zero and subjected to a specific magnetic field. The experimental work also confirms a long-standing prediction of the spectrum at zero magnetic field.
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