Ph106 class 23 (May 24nd)
Summary: early quantum model
Quantum atom : the beginnings
We described the original (‘semi-classical’) model of the quantum atom.
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Some different physics
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Electron is on an orbit, where it does not radiate
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It radiates when it hops from one orbit to another
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Its energy is ‘quantizied’ : only specific values are possible
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... and this fit completely with all known data!
The model is naive; it still accepts traditional orbiting.
Other than this ... the classical physics is out.
The big wave had been conceived: during the coming decade everything changed.