Three quantum phases in chromium-based material hint at a spin-triplet superconductor

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Add as preferred source Multiple superconducting phases of K 2 Cr 3 As 3 for B||c. Credit: Physical Review Letters (2026). DOI: 10.1103/kykd-2nj4. Superconductors are materials that conduct electricity without electrical resistance when cooled below a specific critical temperature. These materials have proved promising for the development of various technologies, including medical imaging instruments, particle accelerators, ultrasensitive detectors and quantum processors.

Some superconductors are topological, which means their electronic states exhibit global patterns that remain unchanged under small disturbances. These materials can host Majorana bound states , localized quasiparticle excitations that could be leveraged to reduce errors made by quantum computers.