The development of a robust continuous time crystal (CTC) in an electron-nuclear spin system represents a significant advancement in understanding the behavior of matter under specific conditions. This research, led by Alex Greilich and a team from TU Dortmund University, demonstrates a CTC in a tailored semiconductor, specifically an electron-nuclear spin system made of indium gallium arsenide. The CTC exhibits periodic auto-oscillations in response to continuous, time-independent driving, showcasing a novel phase of matter with potential for unprecedented studies on systems with nonlinear interactions

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