Why is j=0 to j'=0 forbidden by the parity rule if spin orbit interaction

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SUMMARY

The discussion centers on the prohibition of transitions from j=0 to j'=0 under the parity rule in the presence of significant spin-orbit interaction. It is established that a photon, which mediates these transitions, carries one unit of angular momentum. Consequently, the conservation of angular momentum dictates that a transition from a state with zero total angular momentum to another state with zero total angular momentum is not allowed, as it violates the requirement for angular momentum conservation.

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  • Understanding of quantum mechanics principles
  • Familiarity with angular momentum conservation laws
  • Knowledge of spin-orbit interaction effects
  • Basic concepts of parity in quantum states
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Why is j=0 to j'=0 forbidden by the parity rule if spin orbit interaction is significant?
 
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No matter what the interaction, a photon carries one unit of angular momentum.
 
Meir Achuz said:
No matter what the interaction, a photon carries one unit of angular momentum.
At least.
 

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