Transport evidence for Fermi-arc-mediated chirality transfer in the Dirac semimetal Cd3As2

  title={Transport evidence for Fermi-arc-mediated chirality transfer in the Dirac semimetal Cd3As2},
  author={Philip J W Moll and Nityan L. Nair and Toni Helm and Andrew C. Potter and Itamar Kimchi and Ashvin Vishwanath and James G. Analytis},
The dispersion of charge carriers in a metal is distinctly different from that of free electrons owing to their interactions with the crystal lattice. These interactions may lead to quasiparticles mimicking the massless relativistic dynamics of high-energy particle physics, and they can twist the quantum phase of electrons into topologically non-trivial knots—producing protected surface states with anomalous electromagnetic properties. These effects intertwine in materials known as Weyl… CONTINUE READING
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