Atoms Interlinked by Light: From Quantum Engineering to Fundamental Physics
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The power of quantum information lies in its capacity to be nonlocal, encoded in correlations among entangled particles. By contrast, the interactions between particles are typically local, posing both conceptual and practical challenges in understanding, generating, and harnessing entanglement. To circumvent this bottleneck, we trap an array of atom clouds in an optical resonator that mediates effectively nonlocal interactions, letting photons act as messengers that convey information between distant sites.