B What is Decoherence and How Did Bohr and Einstein Debate Its Implications?

Navid Eghbali9
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Hi, I'm in ninth grade, and I can't really grasp an idea of how decoherence works. Also, does anyone know where I can good information on what was discussed in the debates between Bohr and Einstein. It seems really interesting.
 
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Navid Eghbali9 said:
I can't really grasp an idea of how decoherence works

This is too broad for discussion as it stands. Can you narrow it down to a specific experiment where you're having trouble understanding decoherence? (Also, your original thread title didn't describe your actual question, not to mention that it suggested a couple of common pop science misconceptions. I have changed it to something more neutral and descriptive.)

Navid Eghbali9 said:
does anyone know where I can good information on what was discussed in the debates between Bohr and Einstein

The place to start is a Google search. If you have specific questions about something you find there, you can post them in a new thread.
 
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Navid Eghbali9 said:
Hi, I'm in ninth grade, and I can't really grasp an idea of how decoherence works.
That's too broad of a question for a forum post; we'd need an entire book to answer it. Fortunately, that book already exists: David Lindley's "Where does the weirdness go?" is a good start at the 9th-grade level.
 
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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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