TERMIUM Plus®

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QUANTUM BEAT [1 record]

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Record 1 2010-06-16

English

Subject field(s)
  • Atomic Physics
  • Electromagnetic Radiation
DEF

Beating due to interference in the time domain of different eigen-functions of a quantum-mechanical system.

French

Domaine(s)
  • Physique atomique
  • Rayonnements électromagnétiques
CONT

[…] les interactions hyperfines peuvent lever la dégénérescence des niveaux nucléaires et les séparer. En SM [spectrométrie Mössbauer], on observe alors plusieurs raies d’absorption, correspondant aux différentes transitions permises entre état fondamental et premier état excité. En diffusion nucléaire résonnante, cette levée de dégénérescence fait apparaître une figure d’interférence, appelée battements quantiques.

Spanish

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