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Chaos doesn’t exist in the world of quantum physics, as quantum physics is a linear theory. So how come we observe chaos all around us? Researchers have now come one step closer to understanding how it happens. They have for the first time measured a “quantum scar”, that is a quantum effect which deviates from chaos. Why does this matter and what could it be good for? Let’s take a look.
Paper: www.nature.com/articles/s41586-024-08190-6
The lovely animation for the spread of the wavefunction in the stadium and heart come from the Quantum Physics Corner: • Quantum heart billiard
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Sabine Hossenfelder