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http://dbpedia.org/ontology/abstract In quantum mechanics, a rotational transitIn quantum mechanics, a rotational transition is an abrupt change in angular momentum. Like all other properties of a quantum particle, angular momentum is quantized, meaning it can only equal certain discrete values, which correspond to different rotational energy states. When a particle loses angular momentum, it is said to have transitioned to a lower rotational energy state. Likewise, when a particle gains angular momentum, a positive rotational transition is said to have occurred. Rotational transitions are important in physics due to the unique spectral lines that result. Because there is a net gain or loss of energy during a transition, electromagnetic radiation of a particular frequency must be absorbed or emitted. This forms spectral lines at that frequency which can be detected with a spectrometer, as in rotational spectroscopy or Raman spectroscopy.tional spectroscopy or Raman spectroscopy. , In fisica quantistica una transizione rotaIn fisica quantistica una transizione rotazionale è un brusco cambiamento del momento angolare. Il momento angolare di una particella quantistica è quantizzato, intendendo con ciò che può assumere solo certi valori discreti che corrispondono a differenti stati di energia rotazionale. Quando una particella perde momento angolare, si dice che è passata ad uno stato più basso di energia rotazionale. Similarmente, quando una particella guadagna momento angolare, si dice che è avvenuta una transizione rotazionale positiva. Le transizioni rotazionali sono importanti in fisica a causa delle linee spettrali uniche che producono. Poiché esiste un guadagno netto di energia durante una transizione, deve essere assorbita o emessa della radiazione elettromagnetica di una particolare frequenza. Questa forma linee spettrali ad una frequenza che può essere rilevata con uno spettrometro, come nella spettroscopia Raman o nella spettroscopia IR o nella spettroscopia a microonde.opia IR o nella spettroscopia a microonde. , 回転準位(かいてんじゅんい、rotational state)は量子力学において、分子の重心の移動を伴わない回転運動を表す量子状態である。回転準位間の遷移を回転遷移と呼び、多くの場合、気相におけるマイクロ波(特に、テラヘルツ波、サブミリ波、ミリ波)分光法を用いて観測される。
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rdfs:comment In quantum mechanics, a rotational transitIn quantum mechanics, a rotational transition is an abrupt change in angular momentum. Like all other properties of a quantum particle, angular momentum is quantized, meaning it can only equal certain discrete values, which correspond to different rotational energy states. When a particle loses angular momentum, it is said to have transitioned to a lower rotational energy state. Likewise, when a particle gains angular momentum, a positive rotational transition is said to have occurred.ional transition is said to have occurred. , 回転準位(かいてんじゅんい、rotational state)は量子力学において、分子の重心の移動を伴わない回転運動を表す量子状態である。回転準位間の遷移を回転遷移と呼び、多くの場合、気相におけるマイクロ波(特に、テラヘルツ波、サブミリ波、ミリ波)分光法を用いて観測される。 , In fisica quantistica una transizione rotaIn fisica quantistica una transizione rotazionale è un brusco cambiamento del momento angolare. Il momento angolare di una particella quantistica è quantizzato, intendendo con ciò che può assumere solo certi valori discreti che corrispondono a differenti stati di energia rotazionale. Quando una particella perde momento angolare, si dice che è passata ad uno stato più basso di energia rotazionale. Similarmente, quando una particella guadagna momento angolare, si dice che è avvenuta una transizione rotazionale positiva.nuta una transizione rotazionale positiva.
rdfs:label 回転準位 , Transizione rotazionale , Rotational transition
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