Examining the Dimension of a Photon Impacting an Electron

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SUMMARY

The discussion centers on the interaction between a photon and an electron in a hydrogen-like atom, emphasizing that photons do not possess a defined radius or dimension. Instead, the electromagnetic wave nature of the photon governs this interaction. The energy imparted by the photon to the electron manifests as kinetic energy, debunking the misconception that a photon's dimensions affect its ability to interact with electrons. The analogy of a billiards ball collision is deemed inappropriate for understanding this quantum interaction.

PREREQUISITES
  • Understanding of quantum mechanics principles
  • Familiarity with electromagnetic wave theory
  • Knowledge of photon-electron interactions
  • Basic concepts of kinetic energy in physics
NEXT STEPS
  • Research the properties of photons in quantum mechanics
  • Study the electromagnetic wave theory in detail
  • Explore the concept of kinetic energy transfer in particle interactions
  • Investigate the differences between classical and quantum collision models
USEFUL FOR

Physicists, students of quantum mechanics, and anyone interested in the fundamental interactions between light and matter will benefit from this discussion.

rahulrk200395
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To remove an electron from a H-like atom, the action of a photon is required. But what is the dimension of a photon, that hits the electron? If it is considered a wave, then is it possible to have just energy without mass, and it is known that the extra energy of the photon is imparted to the electron as K.E, but if it has an extremely small radius, then the electron should not be able to move.Can somebody please explain this?
 
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There is no such thing as the "radius" of photon. Interaction of photon and electron has nothing to do with the "dimensions" of the photon. The EM wave nature of the photon is responsible for the interaction and not the "dimensions" of photon. It seems that you are viewing it as a billiards ball collision.
 

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