Traversable Dirac cone across the entire Brillouin zone (IMAGE)

Science China Press

Traversable Dirac cone across the entire Brillouin zone

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(a) Schematic of the paired Dirac cones whose positions can be changed by modulating the geometrical parameters. (b) Topological antenna with tunable emission angle, and (c) Klein tunneling from any direction.

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©Science China Press

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