Light-Matter Interactions Take Strange New Turn

Light-Matter Interactions Take Strange New Turn
Peter Komka/MTI via AP

Physicists in the US have shown that light hitting a conductive metal surface at an angle can cause free electrons in the metal to move either in the same direction or in the opposite direction as the photons, depending on its surrounding environment. Jared Strait and a team of researchers at the National Institute for Standards and Technology (NIST) in Maryland observed the direction change through simplified experiments involving a thin gold film.

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