<p>➀ A young research team from Würzburg has experimentally proven a new quantum phenomenon, the quantum tornado, in the momentum space of the quantum semiconductor tantalum arsenide (TaAs).</p><p>➁ This quantum phenomenon was theoretically predicted eight years ago by a founding member of the ct.qmat excellence cluster in Dresden.</p><p>➂ The research involves collaboration between ct.qmat, the research network of the universities of Würzburg and Dresden, and international researchers, with the work published in the journal Physical Review X.</p>