A plethora of distinct materials are currently studied under the common feature of their low-energy excitations, resembling those of massless Dirac fermions. In addition to graphene 1, 2, two and ...
The electronic structure of a three-dimensional (3D) Dirac semimetal (DSM) contains two sets of linear, doubly degenerate bands which cross at a fourfold degenerate crossing called a Dirac point, a ...
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