Minimal tweaks unlock powerful quantum entanglement
Researchers at the University of Chicago propose a theoretical, cabinet-QED–based method to generate and control a wide range of entangled quantum states by applying selective energy shifts to different groups of atoms, breaking symmetry while preserving controllability. This approach enables robust, highly sensitive quantum sensors that can use standard Ramsey measurements and can stabilize unusual states like the AKLT state, with potential implications for quantum sensing, fundamental physics, and computing; experimental tests are being planned and the work is supported by Q-NEXT.