跃迁
[yuè qiān]
- na.【物】transition; jump; jumping
- Webwarp; transitions; quantum transition
Definition:
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kT Well when it's like this, the temperature is so low that there's not nearly enough thermal energy to populate any of these states.
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When particles in the jet strike a photon of visible or infrared light, they cause the photon to jump up in energy and become a gamma ray.
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