The magnetic field is used to tune the chains of spins to a quantum critical state. The resonant modes (
notes) are detected by scattering neutrons. These scatter with the characteristic frequencies of the spin chains. (Credit: Image courtesy of Helmholtz Association of German Research Centres)
Researchers from the Helmholtz-Zentrum Berlin für Materialien und Energie ( HZB ), in cooperation with colleagues from Oxford and Bristol Universities, as well as the Rutherford Appleton Laboratory, UK, have for the first time observed a nanoscale symmetry hidden in solid state matter. They have measured the signatures of a symmetry showing the same attributes as the golden ratio famous from art and architecture.
E8 group geometry solves trivial question: "Which structure should have the tightest lattice of particles, formed by energy exchange between another particles, recursivelly?". And such question has a perfect meaning even from classical physics point of view! Such question has a perfect meaning in theory, describing the most dense structure of inertial particles formed by energy exchange between another particles, which we can ever imagine, i.e. the interior of black hole.
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