e/Dispersion relation

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has glosseng: In physics and electrical engineering, dispersion most often refers to frequency-dependent effects in wave propagation. Note, however, that there are several other uses of the word "dispersion" in the physical sciences.
lexicalizationeng: Dispersion Relation
instance ofc/Waves
Meaning
German
has glossdeu: Als Dispersionsrelation wird die Beziehung zwischen der Kreisfrequenz \omega und der Kreiswellenzahl k bezeichnet. Sie wird aus der Wellengleichung durch eine Fouriertransformation in Raum und Zeit gewonnen und hat allgemein die Form :\omega = f(k). Im einfachsten Fall sind Kreisfrequenz und Kreiswellenzahl stets proportional :\omega = v_\rm phase} \cdot k , mit der konstanten Phasengeschwindigkeit v_\rm phase}. In diesem Fall gibt es keine Dispersion.
lexicalizationdeu: Dispersionsrelation
French
has glossfra: En physique théorique, une relation de dispersion est une relation entre la pulsation \omega et le vecteur donde \veck} dune onde monochromatique.
lexicalizationfra: relation de dispersion
Hebrew
has glossheb: בפיזיקה, יחס נפיצה (או יחס דיספרסיה) הוא הקשר (המתמטי) בין התדירות של גל \ \omega לוקטור הגל \veck} או מספר הגל k, כלומר: הפונקציה \ \omega (k). לעתים מכונה כך גם הקשר בין האנרגיה E של המערכת לתנע \vecp} שלה. במכניקת הקוונטים ומכניקה סטטיסטית מדברים גם על יחס נפיצה בין האנרגיה לוקטור הגל.
lexicalizationheb: יחס נפיצה
Italian
has glossita: In fisica, la relazione di dispersione è una relazione tra lenergia di un sistema e la sua corrispondente quantità di moto. Per esempio, per particelle di massa nello spazio vuoto, la relazione di dispersione può facilmente essere calcolata dalla definizione dellenergia cinetica:
lexicalizationita: relazione di dispersione
Japanese
has glossjpn: 分散関係(ぶんさんかんけい、dispersion relation)は、波において、周波数と波数の間の関係。特に周波数 ω を波数 k の関数で表した式のことを言う。
lexicalizationjpn: 分散関係
Malay (macrolanguage)
has glossmsa: Dalam fizik, hubungan sebaran adalah hubungan antara tenaga bagi sesuatu sistem dengan momentum. Sebagai contoh, bagi kebanyakan zarah dalam ruang bebas, hubungan sebaran boleh dikira dengan mudah melalui takrifan tenaga kinetik:
lexicalizationmsa: hubungan sebaran
Polish
has glosspol: Dyspersja fal to zależność prędkości fazowej fal od ich częstotliwości.
lexicalizationpol: Dyspersja
Portuguese
has glosspor: A relação de dispersão descreve as maneiras que a propagação de ondas varia de acordo com sua comprimento de onda e/ou sua frequência. Esta variação explica como que luz branca é dispersa em várias cores, tornando arco-íris possíveis. A relação de dispersão é importante para entender como que energia e objetos são transportados de um ponto a outro em qualquer meio. O interesse na relação de dispersão provavelmente começou com o interesse na dispersão de ondas na água, como por exemplo, demostrado por Pierre-Simon Laplace em 1776
lexicalizationpor: relação de dispersão
Russian
has glossrus: Зако́н диспе́рсии в теории волн — это связь частоты и волнового вектора волны:
lexicalizationrus: закон дисперсии
Chinese
has glosszho: 在物理学中,色散关系指系统能量与其相应动量之间的关系。譬如,在空间中自由运动的粒子系统的色散关系可通过动能的定义方便地得出,具体形式为:
lexicalizationzho: 色散关系
Media
media:imgDeBroglie3.gif
media:imgKEvsMOMENTUM.png
media:imgPrism rainbow schema.png
media:imgString.gif
media:imgWave group.gif

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