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by Ciro Santilli (@cirosantilli, 25)
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Spontaneous emission

 wiki
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Do electrons spontaneously jump from high orbitals to lower ones emitting photons?
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Explaining this was was one of the key initial achievements of the Dirac equation.
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Yes, but this is not predicted by the Schrödinger equation, you need to go to the Dirac equation.
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A critical application of this phenomena is laser.
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See also:
  • physics.stackexchange.com/questions/233330/why-do-electrons-jump-between-orbitals
  • physics.stackexchange.com/questions/117417/quantum-mechanics-scattering-theory/522220#522220
  • physics.stackexchange.com/questions/430268/stimulated-emission-how-can-giving-energy-to-electrons-make-them-decay-to-a-low/430288
  •  Table of contents
    • Spontaneous emission defies causality link
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Spontaneous emission defies causality

 Spontaneous emission toc
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TODO understand better, mentioned e.g. at Subtle is the Lord by Abraham Pais (1982) page 20, and is something that Einstein worked on.

 Ancestors

  1. Absorption, spontaneous and stimulated emission
  2. Dirac equation
  3. Relativistic quantum mechanics
  4. Quantum mechanics
  5. Particle physics
  6. Physics
  7. Natural science
  8. Science
  9. Index

 Incoming links

  • Dirac equation
  • Laser
  • Metastable electron
  • Schrödinger equation

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