Harmonics reveal the inner workings of an electron superhighway (IMAGE)

DOE/SLAC National Accelerator Laboratory

Harmonics reveal the inner workings of an electron superhighway

Caption

Researchers at SLAC National Accelerator Laboratory and Stanford University discovered that focusing intense, circularly polarized laser light on a topological insulator generates harmonics that can be used to probe electron behavior in the material's topological surface, a sort of electron superhighway where electrons flow with no loss. The technique should be applicable to a wide range of quantum materials.

Credit

Greg Stewart, SLAC National Accelerator Laboratory

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