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    One-dimensional topological edge states of bismuth bilayers

    The hallmark of a topologically insulating state of matter in two dimensions protected by time-reversal symmetry is the existence of chiral edge modes propagating along the perimeter of the sample. Among the f...

    Ilya K. Drozdov, A. Alexandradinata, Sangjun Jeon, Stevan Nadj-Perge in Nature Physics (2014)