Semiconductor Time Crystals Achieve Long-Range Synchronization

Scientists have demonstrated that multiple time crystals embedded in a semiconductor can lock their oscillations into a common rhythm, akin to a set of pendulum clocks gradually falling into sync. The coupling mechanism is mediated by spin‑polarized electrons, enabling crystals separated by up to 40 µm to share a single frequency. This finding uncovers unexpectedly long‑range interactions among exotic spin systems and suggests new pathways for designing spin‑based technologies, potentially advancing quantum computing and precision timing devices.