Schematic diagram of planar Hall effect in magnetic Weyl semimetals. (IMAGE)

Science China Press

Schematic diagram of planar Hall effect in magnetic Weyl semimetals.

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Sketch of planar Hall effect (PHE) in topological Weyl semimetals with magnetic and electric fields aligned in the same direction. In this case, the trace of the PHE conductivity Tr[X] is in direct proportion to the Chern number of the WP, and is robust against many system details, leading to a flat plateau at low energy.

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