Are there any decoherance experiments someone could link to me?

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Any help would be greatly appreciated I tried using the search bar but nothing came up.
 
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Here is a paper from an experiment with ion traps where they test decoherence as a function of system size, and verify a quadratic decrease of coherence as a function of number of ions involved in a particular entangled GHZ state.
 
Insights auto threads is broken atm, so I'm manually creating these for new Insight articles. Towards the end of the first lecture for the Qiskit Global Summer School 2025, Foundations of Quantum Mechanics, Olivia Lanes (Global Lead, Content and Education IBM) stated... Source: https://www.physicsforums.com/insights/quantum-entanglement-is-a-kinematic-fact-not-a-dynamical-effect/ by @RUTA
If we release an electron around a positively charged sphere, the initial state of electron is a linear combination of Hydrogen-like states. According to quantum mechanics, evolution of time would not change this initial state because the potential is time independent. However, classically we expect the electron to collide with the sphere. So, it seems that the quantum and classics predict different behaviours!

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