Reversible electric control unlocks persistent chiral phonon states

Дата публикации: 07-09-2026 18:00:07

Atoms in a material are rarely still. They jiggle back and forth in collective lattice vibrations known as phonons. Their motion can also carry a rotational element: In 2023, scientists at PSI experimentally proved the existence of chiral phonons, which exhibit handedness depending on which way they rotate.

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