Physicists Created a Record-Breaking Schrödinger's Cat With Some of The Weirdest Atoms in Physics

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Physicists have produced a particularly large optical Schrödinger cat state with strongly excited atoms. Two clearly distinguishable light states remained part of a coherent quantum superposition and reached after the used size measure α2 = 2.4 instead of previously 1.4. Garching (Germany). Schrödinger's cat stands for one of the most well-known peculiarities of quantum physics. A quantum system can overlap several actually contradictory states …

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Researchers at the Max Planck Institute break the size record in the optical Schrödinger's Cat using Rydberg atoms, opening new avenues for quantum computing.

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Houston, we have a problem since Schrödinger's cat was born (and died at the same time): a particle may be in two states at the same time, but a cup or a person does not. The process that eliminates this strangeness is called decoherence, and no one agrees about what causes it. Somewhere between the microscopic world of elementary particles and the macroscopic world of human beings, something strange happens: the rules of quantum physics, which …