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SPIN SPIN INTERACTION [1 record]

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Record 1 2012-06-01

English

Subject field(s)
  • Atomic Physics
CONT

The effect of the spin-spin interaction is noted in Hund's rule 1. If you have two electrons, then the state in which their spins are parallel (S=1, triple state) will be lower in energy than the state in which their spins are antiparallel (S=O, singlet state).

Key term(s)
  • spin spin interaction

French

Domaine(s)
  • Physique atomique
CONT

[...] il existe une complication intéressante dont nous n'avons pas encore parlé : à côté de l'interaction spin-orbite existe en effet une interaction spin-spin [...]. L'interaction spin-spin fait que l'orthopositronium est un peu moins lié que le parapositronium.

Spanish

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