We know that accelerating charged particles emit electromagnetic radiation. We also know that electrons around nucleus have an angular momentum which means that electrons are revolving around the nucleus, therefore, they are subjected to acceleration due to their orbital motion. However, atoms do not constantly emit light. Isn’t this a contradiction?
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5Possible duplicate of Why electrons can't radiate in their atoms' orbits? – lemon Jul 05 '18 at 08:50
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3This is indeed a contradiction, which motivated the development of quantum mechanics. A better atom model is the Bohr model, where electron orbits must have specific energies. – Wouter Jul 05 '18 at 08:52
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6Possible duplicate of Why don't electrons crash into the nuclei they "orbit"? – Emilio Pisanty Jul 05 '18 at 08:57
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1You need to include the quantum mechanics tag, for more than one reason :) – Jul 05 '18 at 11:13
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Fermi's Golden Rule: the density of final states for emission from the ground state is zero. – JEB Jul 05 '18 at 17:37
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@ JEB My question is nothing to do with Fermi's golden rule. – utku Jul 05 '18 at 19:07
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@ Wouter I was asking the question in the quantum mechanical framework. – utku Jul 05 '18 at 19:08