Electron Stability in High Energy States

alias25
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ok this might be a stupid question, but why are high energy states unstable, like electrons in excited state, does it have some force acting on it that's pushing it down, or pulling it towards the nucleus greater when its at a higher state?

Belle
 
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alias25 said:
ok this might be a stupid question, but why are high energy states unstable, like electrons in excited state, does it have some force acting on it that's pushing it down, or pulling it towards the nucleus greater when its at a higher state?

Belle

It's like a ball at the top of a hill. Sure it can stay there if undisturbed, but any little jiggle will send it rolling down. Things that release energy happen easily, 'cause it takes no net work to start them.
 
sorry silly question, o ok, so in a vacuum the electron can stay at high state, forever, because photons can't knock it down, because theyre massless and only one photon can interact with one electron. so if the electrons got a photons energy already then it can't be affected by others?

belle
 
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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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