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Strange “heavy” electrons, sharing a deep quantum link, could be the future of quantum computing
Scientists in Japan have uncovered a strange new behavior in “heavy” electrons — particles that act as if they carry far more mass than usual. These electrons were found to be entangled, sharing a deep quantum link, and doing so in ways tied to the fastest possible time in physics. Even more surprising, the effect appeared close to room temperature, hinting that future quantum computers might harness this bizarre state of matter.
Date: September 2, 2025 Source: The University of Osaka Summary: Scientists in Japan have uncovered a strange new behavior in “heavy” electrons — particles that act as if they carry far more mass than usual. Cerium-Rhodium-Tin (CeRhSn), the material studied in this research, belongs to a class of heavy fermion systems with a quasi-kagome lattice structure, known for its geometrical frustration effects. Precise measurements of CeRhSn's reflectance spectra revealed non-Fermi liquid behavior persisting up to near room temperature, with heavy electron lifetimes approaching the Planckian limit.
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