Truly chiral phonons observed for the first time in three-dimensional materials
Truly chiral phonons, i.e. rotating and propagating atomic motions seen in a crystal lattice, have never been observed in bulk 3D material. However, now Tokyo Tech researchers have identified them in cinnabar. Credit: Tokyo Tech Chirality is the breaking of reflection and inversion symmetries. Simply put, it’s when mirror images of an object cannot be …
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