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FERMI RESONANCE [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 1999-10-09

English

Subject field(s)
  • Chemistry
DEF

In a polyatomic molecule, the relationship of two vibrational levels that have in zero approximation nearly the same energy; they repel each other, and the eigenfunctions of the two states mix.

OBS

As a proper noun, Fermi is always capitalized.

French

Domaine(s)
  • Chimie
DEF

Coïncidence fortuite de deux niveaux de vibration dans une molécule polyatomique (dégénérescence accidentelle). Leur interaction, due à l'anharmonicité du potentiel des forces intramoléculaires, entraîne une séparation de leurs énergies.

Spanish

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